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HTML5 video not working, firefox suggests installing Windows media features even though I am not on N or KN version of Windows 10

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I am running the latest version of Firefox, and the latest version of Windows 10 Education (NOT an N or KN version of Windows). I get a bar at the top of the window telling me to install Windows Media Features. HTML5test.com says that my browser doesn't support MPEG-4 ASP, H.264, or H.265. I tried running in safemode and get the same issues. Chrome is able to play videos that Firefox is not on this machine. I also tried uninstalling and reinstalling Firefox. I think these problems /may/ have been caused by a Windows update, but that's just a hunch.

I am running the latest version of Firefox, and the latest version of Windows 10 Education (NOT an N or KN version of Windows). I get a bar at the top of the window telling me to install Windows Media Features. HTML5test.com says that my browser doesn't support MPEG-4 ASP, H.264, or H.265. I tried running in safemode and get the same issues. Chrome is able to play videos that Firefox is not on this machine. I also tried uninstalling and reinstalling Firefox. I think these problems /may/ have been caused by a Windows update, but that's just a hunch.
Quote

Additional System Details

Installed Plug-ins

Widevine Content Decryption Module provided by Google Inc. (ver 4.10.1440.19) OpenH264 Video Codec provided by Cisco Systems, Inc. (ver 1.8.1)

Application

  • Firefox 69.0.1
  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0
  • Support URL: https://support.mozilla.org/1/firefox/69.0.1/WINNT/en-US/

Extensions

  • Amazon.com 1.1 (amazondotcom@search.mozilla.org)
  • Bing 1.0 (bing@search.mozilla.org)
  • DuckDuckGo 1.0 (ddg@search.mozilla.org)
  • eBay 1.0 (ebay@search.mozilla.org)
  • Google 1.0 (google@search.mozilla.org)
  • Twitter 1.0 (twitter@search.mozilla.org)
  • Wikipedia (en) 1.0 (wikipedia@search.mozilla.org)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: AMD Radeon (TM) R9 390 Series
  • adapterDescription2:
  • adapterDeviceID: 0x67b0
  • adapterDeviceID2:
  • adapterDrivers: aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
  • adapterDrivers2:
  • adapterRAM: 8192
  • adapterRAM2:
  • adapterSubsysID: 20151462
  • adapterSubsysID2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • clearTypeParameters: Gamma: 1.8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50
  • contentUsesTiling: True
  • crashGuards: []
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 10.0.18362.356
  • driverDate: 4-24-2017
  • driverDate2:
  • driverVendor:
  • driverVendor2:
  • driverVersion: 22.19.162.4
  • driverVersion2:
  • featureLog: {u'fallbacks': [], u'features': [{u'status': u'available', u'description': u'Compositing', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'HW_COMPOSITING'}, {u'status': u'available', u'description': u'Direct3D11 Compositing', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'D3D11_COMPOSITING'}, {u'status': u'available', u'description': u'Direct2D', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'DIRECT2D'}, {u'status': u'available', u'description': u'Direct3D11 hardware ANGLE', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'D3D11_HW_ANGLE'}, {u'status': u'available', u'description': u'GPU Process', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'GPU_PROCESS'}, {u'status': u'available', u'description': u'WebRender', u'log': [{u'status': u'opt-in', u'message': u'WebRender is an opt-in feature', u'type': u'default'}, {u'status': u'available', u'message': u'Qualified in release', u'type': u'user'}], u'name': u'WEBRENDER'}, {u'status': u'available', u'description': u'WebRender qualified', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'WEBRENDER_QUALIFIED'}, {u'status': u'available', u'description': u'Off Main Thread Painting', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'OMTP'}, {u'status': u'available', u'description': u'Advanced Layers', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'ADVANCED_LAYERS'}]}
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  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • offMainThreadPaintEnabled: True
  • offMainThreadPaintWorkerCount: 3
  • targetFrameRate: 144
  • usesTiling: False
  • webgl1DriverExtensions: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture
  • webgl1Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_disjoint_timer_query EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_filter_anisotropic OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
  • webgl1Renderer: Google Inc. -- ANGLE (AMD Radeon (TM) R9 390 Series Direct3D11 vs_5_0 ps_5_0)
  • webgl1Version: OpenGL ES 2.0 (ANGLE 2.1.0.21dccd386996)
  • webgl1WSIInfo: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context
  • webgl2DriverExtensions: GL_ANGLE_client_arrays GL_ANGLE_copy_texture_3d GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_multisample GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object GL_OVR_multiview2 OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture
  • webgl2Extensions: EXT_color_buffer_float EXT_disjoint_timer_query EXT_float_blend EXT_texture_compression_bptc EXT_texture_filter_anisotropic OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
  • webgl2Renderer: Google Inc. -- ANGLE (AMD Radeon (TM) R9 390 Series Direct3D11 vs_5_0 ps_5_0)
  • webgl2Version: OpenGL ES 3.0 (ANGLE 2.1.0.21dccd386996)
  • webgl2WSIInfo: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context
  • windowLayerManagerRemote: True
  • windowLayerManagerType: WebRender
  • windowUsingAdvancedLayers: False

Modified Preferences

Misc

  • User JS: No
  • Accessibility: No
FredMcD
  • Top 10 Contributor
4254 solutions 59583 answers

https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues


Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Now in the Reply Box on the forum page, do a right-click in the box and select Paste.

This will show us your system details. No Personal Information Is Collected.

If you can't fit everything in one post, do not worry. It's the upper part we need to check out.

https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues Type '''about:support''' in the address bar and press '''Enter.''' Under the main banner, press the button; '''Copy Text To Clipboard.'''. Now in the Reply Box on the forum page, do a right-click in the box and select '''Paste.''' This will show us your system details. '''No Personal Information Is Collected.''' If you can't fit everything in one post, do not worry. It's the upper part we need to check out.
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Application Basics


Name: Firefox Version: 69.0.1 Build ID: 20190917135527 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0 OS: Windows_NT 10.0 Launcher Process: Enabled Multiprocess Windows: 2/2 Enabled by default Remote Processes: 7 Enterprise Policies: Inactive Google Location Service Key: Found Google Safebrowsing Key: Found Mozilla Location Service Key: Found Safe Mode: false

Crash Reports for the Last 3 Days


Firefox Features


Name: Firefox Monitor Version: 3.0 ID: fxmonitor@mozilla.org

Name: Firefox Screenshots Version: 39.0.0 ID: screenshots@mozilla.org

Name: Form Autofill Version: 1.0 ID: formautofill@mozilla.org

Name: Web Compat Version: 6.1.0 ID: webcompat@mozilla.org

Name: WebCompat Reporter Version: 1.1.0 ID: webcompat-reporter@mozilla.org

Remote Processes


Type: Web Content Count: 5 / 8

Type: Extension Count: 1

Type: GPU Count: 1

Extensions


Name: Amazon.com Version: 1.1 Enabled: true ID: amazondotcom@search.mozilla.org

Name: Bing Version: 1.0 Enabled: true ID: bing@search.mozilla.org

Name: DuckDuckGo Version: 1.0 Enabled: true ID: ddg@search.mozilla.org

Name: eBay Version: 1.0 Enabled: true ID: ebay@search.mozilla.org

Name: Enhancer for YouTube™ Version: 2.0.98.2 Enabled: true ID: enhancerforyoutube@maximerf.addons.mozilla.org

Name: EPUBReader Version: 2.0.9 Enabled: true ID: {5384767E-00D9-40E9-B72F-9CC39D655D6F}

Name: Facebook Container Version: 2.0.2 Enabled: true ID: @contain-facebook

Name: Google Version: 1.0 Enabled: true ID: google@search.mozilla.org

Name: Google Reverse Image Search Version: 64.1.0 Enabled: true ID: {95322c08-05ff-4f3c-85fd-8ceb821988dd}

Name: GSConnect Version: 6 Enabled: true ID: gsconnect@andyholmes.github.io

Name: Honey Version: 11.6.3 Enabled: true ID: jid1-93CWPmRbVPjRQA@jetpack

Name: Imagus Version: 0.9.8.72 Enabled: true ID: {00000f2a-7cde-4f20-83ed-434fcb420d71}

Name: Notifier for Gmail™ Version: 0.9.6 Enabled: true ID: jid0-GjwrPchS3Ugt7xydvqVK4DQk8Ls@jetpack

Name: Octotree Version: 3.0.8 Enabled: true ID: jid1-Om7eJGwA1U8Akg@jetpack

Name: Pay by Privacy.com Version: 1.3.21 Enabled: true ID: privacy@privacy.com

Name: Reddit Enhancement Suite Version: 5.16.10 Enabled: true ID: jid1-xUfzOsOFlzSOXg@jetpack

Name: SmartProxy Version: 0.8.7 Enabled: true ID: smartproxy@salarcode.com

Name: Strict Pop-up Blocker Version: 0.6 Enabled: true ID: jid1-P34HaABBBpOerQ@jetpack

Name: Tags for YouTube™ Version: 8.4 Enabled: true ID: jid0-cBh0nRMLV5BY1dlp33s3g7dFXLY@jetpack

Name: To Google Translate Version: 3.10 Enabled: true ID: jid1-93WyvpgvxzGATw@jetpack

Name: Twitter Version: 1.0 Enabled: true ID: twitter@search.mozilla.org

Name: uBlock Origin Version: 1.22.4 Enabled: true ID: uBlock0@raymondhill.net

Name: Wikipedia (en) Version: 1.0 Enabled: true ID: wikipedia@search.mozilla.org

Name: Windscribe VPN Version: 2.4.3 Enabled: true ID: @windscribeff

Security Software


Type: Windows Defender Antivirus

Type:

Type: Windows Firewall

Graphics


Features Compositing: WebRender Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled WebGL 1 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context WebGL 1 Driver Renderer: Google Inc. -- ANGLE (AMD Radeon (TM) R9 390 Series Direct3D11 vs_5_0 ps_5_0) WebGL 1 Driver Version: OpenGL ES 2.0 (ANGLE 2.1.0.21dccd386996) WebGL 1 Driver Extensions: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_disjoint_timer_query EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_filter_anisotropic OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context WebGL 2 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv Had to cut it off, too many characters

Application Basics ------------------ Name: Firefox Version: 69.0.1 Build ID: 20190917135527 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0 OS: Windows_NT 10.0 Launcher Process: Enabled Multiprocess Windows: 2/2 Enabled by default Remote Processes: 7 Enterprise Policies: Inactive Google Location Service Key: Found Google Safebrowsing Key: Found Mozilla Location Service Key: Found Safe Mode: false Crash Reports for the Last 3 Days --------------------------------- Firefox Features ---------------- Name: Firefox Monitor Version: 3.0 ID: fxmonitor@mozilla.org Name: Firefox Screenshots Version: 39.0.0 ID: screenshots@mozilla.org Name: Form Autofill Version: 1.0 ID: formautofill@mozilla.org Name: Web Compat Version: 6.1.0 ID: webcompat@mozilla.org Name: WebCompat Reporter Version: 1.1.0 ID: webcompat-reporter@mozilla.org Remote Processes ---------------- Type: Web Content Count: 5 / 8 Type: Extension Count: 1 Type: GPU Count: 1 Extensions ---------- Name: Amazon.com Version: 1.1 Enabled: true ID: amazondotcom@search.mozilla.org Name: Bing Version: 1.0 Enabled: true ID: bing@search.mozilla.org Name: DuckDuckGo Version: 1.0 Enabled: true ID: ddg@search.mozilla.org Name: eBay Version: 1.0 Enabled: true ID: ebay@search.mozilla.org Name: Enhancer for YouTube™ Version: 2.0.98.2 Enabled: true ID: enhancerforyoutube@maximerf.addons.mozilla.org Name: EPUBReader Version: 2.0.9 Enabled: true ID: {5384767E-00D9-40E9-B72F-9CC39D655D6F} Name: Facebook Container Version: 2.0.2 Enabled: true ID: @contain-facebook Name: Google Version: 1.0 Enabled: true ID: google@search.mozilla.org Name: Google Reverse Image Search Version: 64.1.0 Enabled: true ID: {95322c08-05ff-4f3c-85fd-8ceb821988dd} Name: GSConnect Version: 6 Enabled: true ID: gsconnect@andyholmes.github.io Name: Honey Version: 11.6.3 Enabled: true ID: jid1-93CWPmRbVPjRQA@jetpack Name: Imagus Version: 0.9.8.72 Enabled: true ID: {00000f2a-7cde-4f20-83ed-434fcb420d71} Name: Notifier for Gmail™ Version: 0.9.6 Enabled: true ID: jid0-GjwrPchS3Ugt7xydvqVK4DQk8Ls@jetpack Name: Octotree Version: 3.0.8 Enabled: true ID: jid1-Om7eJGwA1U8Akg@jetpack Name: Pay by Privacy.com Version: 1.3.21 Enabled: true ID: privacy@privacy.com Name: Reddit Enhancement Suite Version: 5.16.10 Enabled: true ID: jid1-xUfzOsOFlzSOXg@jetpack Name: SmartProxy Version: 0.8.7 Enabled: true ID: smartproxy@salarcode.com Name: Strict Pop-up Blocker Version: 0.6 Enabled: true ID: jid1-P34HaABBBpOerQ@jetpack Name: Tags for YouTube™ Version: 8.4 Enabled: true ID: jid0-cBh0nRMLV5BY1dlp33s3g7dFXLY@jetpack Name: To Google Translate Version: 3.10 Enabled: true ID: jid1-93WyvpgvxzGATw@jetpack Name: Twitter Version: 1.0 Enabled: true ID: twitter@search.mozilla.org Name: uBlock Origin Version: 1.22.4 Enabled: true ID: uBlock0@raymondhill.net Name: Wikipedia (en) Version: 1.0 Enabled: true ID: wikipedia@search.mozilla.org Name: Windscribe VPN Version: 2.4.3 Enabled: true ID: @windscribeff Security Software ----------------- Type: Windows Defender Antivirus Type: Type: Windows Firewall Graphics -------- Features Compositing: WebRender Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled WebGL 1 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context WebGL 1 Driver Renderer: Google Inc. -- ANGLE (AMD Radeon (TM) R9 390 Series Direct3D11 vs_5_0 ps_5_0) WebGL 1 Driver Version: OpenGL ES 2.0 (ANGLE 2.1.0.21dccd386996) WebGL 1 Driver Extensions: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_disjoint_timer_query EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_filter_anisotropic OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context WebGL 2 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000bfb9) EGL_VERSION: 1.4 (ANGLE 2.1.0.21dccd386996) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv Had to cut it off, too many characters
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FredMcD
  • Top 10 Contributor
4254 solutions 59583 answers

Is this with many websites, some, a few?


Make sure you are not blocking content.

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?


One issue that seems more common lately is Firefox's Content Blocking. When it is blocking content in a page, a shield icon will appear at the left end of the address bar next to the padlock icon. This article has more info on managing this feature:

https://support.mozilla.org/en-US/kb/content-blocking

Is this with many websites, some, a few? Make sure you are not blocking content. [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode] {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there? --------------- One issue that seems more common lately is Firefox's Content Blocking. When it is blocking content in a page, a shield icon will appear at the left end of the address bar next to the padlock icon. This article has more info on managing this feature: https://support.mozilla.org/en-US/kb/content-blocking
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Question owner

The problem is with any website using HTML5 video. I've especially noticed this on Youtube, certain videos will not play at all, especially newer uploads. The problem persists in safe mode. I think the problem may be specifically with mp4 videos, as webm's work normally. For example, if I visit this page https://tools.woolyss.com/html5-audio-video-tester/?u=download.opencontent.netflix.com.s3.amazonaws.com/AV1/Chimera/Chimera-AV1-10bit-768x432-1090kbps.mp4 I get "No video with supported format and MIME type found." even in safe mode. The video plays as expected in Chrome. I don't have a shield icon, but I do get this connection not secure warning.

The problem is with any website using HTML5 video. I've especially noticed this on Youtube, certain videos will not play at all, especially newer uploads. The problem persists in safe mode. I think the problem may be specifically with mp4 videos, as webm's work normally. For example, if I visit this page https://tools.woolyss.com/html5-audio-video-tester/?u=download.opencontent.netflix.com.s3.amazonaws.com/AV1/Chimera/Chimera-AV1-10bit-768x432-1090kbps.mp4 I get "No video with supported format and MIME type found." even in safe mode. The video plays as expected in Chrome. I don't have a shield icon, but I do get this connection not secure warning.
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FredMcD
  • Top 10 Contributor
4254 solutions 59583 answers

This is very interesting. I had the same problem.

However, my download manager add-on saw the clip, and I was able to download it. It played, but no audio.

This is very interesting. I had the same problem. However, my download manager add-on saw the clip, and I was able to download it. It played, but no audio.
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cor-el
  • Top 10 Contributor
  • Moderator
17525 solutions 158458 answers

Helpful Reply

This is a MP4 file that is downloaded from Netflix via an open HTTP link. The server doesn't have a certificate installed, so if you would force a secure connection or disallow loading insecure content (mixed passive content)) then the video will fail (security.mixed_content.block_display_content = false).

<source src="http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/Chimera/Chimera-AV1-10bit-768x432-1090kbps.mp4">
This is a MP4 file that is downloaded from Netflix via an open HTTP link. The server doesn't have a certificate installed, so if you would force a secure connection or disallow loading insecure content (mixed passive content)) then the video will fail (security.mixed_content.block_display_content = false). <pre><nowiki><source src="http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/Chimera/Chimera-AV1-10bit-768x432-1090kbps.mp4"></nowiki></pre>
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Question owner

Update: I tried to watch something on Prime Video, and got this error. Widevine is up to date and always enabled on my machine. Is there a way I could uninstall and reinstall it? Also, I tried switching the flag you mentioned and I still have the same issues.

Update: I tried to watch something on Prime Video, and got this error. Widevine is up to date and always enabled on my machine. Is there a way I could uninstall and reinstall it? Also, I tried switching the flag you mentioned and I still have the same issues.

Modified by matt.botti

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