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Firefox Quantum very slow

Posted

I updated to Quantum two days ago and I find it is very slow doing everything - typing in search box, scrolling, etc., even just closing the browser. I had no problems with previous version.

I updated to Quantum two days ago and I find it is very slow doing everything - typing in search box, scrolling, etc., even just closing the browser. I had no problems with previous version.

Chosen solution

hi diegodad, one more thing that i have just noticed when looking at your system details - can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once.

then please let us know how this goes?

Read this answer in context 26

Additional System Details

Installed Plug-ins

OpenH264 Video Codec Widevine Content Decryption Module Shockwave Flash Kaspersky Protection

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36

More Information

Application Basics
------------------
Name: Firefox
Version: 57.0
Build ID: 20171112125346
Update Channel: release
User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:57.0) Gecko/20100101 Firefox/57.0
OS: Windows_NT 10.0
Multiprocess Windows: 1/1 (Enabled by default)
Web Content Processes: 2/4
Stylo: true (enabled by default)
Google Key: Found
Mozilla Location Service Key: Found
Safe Mode: false
Crash Reports for the Last 3 Days
---------------------------------
All Crash Reports
Firefox Features
----------------
Name: Activity Stream
Version: 2017.11.07.1100-7f4e3634
ID: activity-stream@mozilla.org
Name: Application Update Service Helper
Version: 2.0
ID: aushelper@mozilla.org
Name: Firefox Screenshots
Version: 19.2.0
ID: screenshots@mozilla.org
Name: Follow-on Search Telemetry
Version: 0.9.6
ID: followonsearch@mozilla.com
Name: Form Autofill
Version: 1.0
ID: formautofill@mozilla.org
Name: Multi-process staged rollout
Version: 3.05
ID: e10srollout@mozilla.org
Name: Photon onboarding
Version: 1.0
ID: onboarding@mozilla.org
Name: Pocket
Version: 1.0.5
ID: firefox@getpocket.com
Name: Shield Recipe Client
Version: 76.1
ID: shield-recipe-client@mozilla.org
Name: Web Compat
Version: 1.1
ID: webcompat@mozilla.org
Extensions
----------
Name: Kaspersky Protection
Version: 5.0.141.16d-20171004092029
Enabled: true
ID: light_plugin_F6F079488B53499DB99380A7E11A93F6@kaspersky.com
Graphics
--------
Features
Compositing: Direct3D 11 (Advanced Layers)
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled
WebGL 1 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 0000000000008d50) EGL_VERSION: 1.4 (ANGLE 2.1.0.dec065540d5f) 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_nv12 EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource 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
WebGL 1 Driver Renderer: Google Inc. -- ANGLE (Intel(R) HD Graphics 4600 Direct3D11 vs_5_0 ps_5_0)
WebGL 1 Driver Version: OpenGL ES 2.0 (ANGLE 2.1.0.dec065540d5f)
WebGL 1 Driver Extensions: GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order 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_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query 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_frag_depth 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_dxt1 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_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_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
WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_frag_depth EXT_shader_texture_lod EXT_texture_filter_anisotropic EXT_disjoint_timer_query 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_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context MOZ_WEBGL_lose_context MOZ_WEBGL_compressed_texture_s3tc MOZ_WEBGL_depth_texture
WebGL 2 Driver WSI Info: EGL_VENDOR: Google Inc. (adapter LUID: 0000000000008d50) EGL_VERSION: 1.4 (ANGLE 2.1.0.dec065540d5f) 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_nv12 EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource 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
WebGL 2 Driver Renderer: Google Inc. -- ANGLE (Intel(R) HD Graphics 4600 Direct3D11 vs_5_0 ps_5_0)
WebGL 2 Driver Version: OpenGL ES 3.0 (ANGLE 2.1.0.dec065540d5f)
WebGL 2 Driver Extensions: GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order 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_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query 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_frag_depth 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_dxt1 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_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_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
WebGL 2 Extensions: EXT_color_buffer_float EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context MOZ_WEBGL_lose_context MOZ_WEBGL_compressed_texture_s3tc
Direct2D: true
DirectWrite: true (10.0.15063.674)
GPU #1
Active: Yes
Description: Intel(R) HD Graphics 4600
Vendor ID: 0x8086
Device ID: 0x0412
Driver Version: 20.19.15.4531
Driver Date: 9-29-2016
Drivers: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32
Subsys ID: 00000000
RAM: Unknown
Diagnostics
AzureCanvasAccelerated: 0
AzureCanvasBackend: Direct2D 1.1
AzureCanvasBackend (UI Process): skia
AzureContentBackend: Direct2D 1.1
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): cairo
GPUProcessPid: 16636
Decision Log
WEBRENDER:
opt-in by default: WebRender is an opt-in feature
unavailable by runtime: Build doesn't include WebRender
Media
-----
Audio Backend: wasapi
Max Channels: 2
Preferred Channel Layout: stereo
Preferred Sample Rate: 48000
Output Devices
Name: Group
Speakers (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Input Devices
Name: Group
Center (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Line In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Rear (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Front (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Subwoofer (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Stereo Mix (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Rear Blue In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Microphone (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Side (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Front Green In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Front Pink In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Rear Pink In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Rear Green In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0887&SUBSYS_1458A002&REV_1003\4&26fe9049&0&0201
Important Modified Preferences
------------------------------
accessibility.lastLoadDate: 1510675955
accessibility.loadedInLastSession: true
browser.cache.disk.capacity: 358400
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.hashstats_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.smart_size.use_old_max: false
browser.cache.frecency_experiment: 4
browser.download.folderList: 2
browser.download.useDownloadDir: false
browser.places.smartBookmarksVersion: 8
browser.sessionstore.upgradeBackup.latestBuildID: 20171112125346
browser.startup.homepage: http://www.bing.com/
browser.startup.homepage_override.buildID: 20171112125346
browser.startup.homepage_override.mstone: 57.0
browser.tabs.loadInBackground: false
browser.tabs.remote.autostart.2: true
browser.tabs.warnOnClose: false
browser.urlbar.daysBeforeHidingSuggestionsPrompt: 0
browser.urlbar.lastSuggestionsPromptDate: 20170827
browser.urlbar.maxRichResults: 12
browser.urlbar.timesBeforeHidingSuggestionsHint: 0
dom.ipc.processCount.web: 4
extensions.lastAppVersion: 57.0
font.internaluseonly.changed: true
gfx.crash-guard.d3d11layers.appVersion: 56.0.2
gfx.crash-guard.d3d11layers.deviceID: 0x0412
gfx.crash-guard.d3d11layers.driverVersion: 20.19.15.4531
gfx.crash-guard.d3d11layers.feature-d2d: true
gfx.crash-guard.d3d11layers.feature-d3d11: true
gfx.crash-guard.status.d3d11layers: 2
gfx.crash-guard.status.d3d11video: 2
layers.mlgpu.sanity-test-failed: false
media.benchmark.vp9.fps: 181
media.benchmark.vp9.versioncheck: 2
media.gmp-gmpopenh264.abi: x86-msvc-x64
media.gmp-gmpopenh264.lastUpdate: 1510612976
media.gmp-gmpopenh264.version: 1.7.1
media.gmp-manager.buildID: 20171112125346
media.gmp-manager.lastCheck: 1510676788
media.gmp-widevinecdm.abi: x86-msvc-x64
media.gmp-widevinecdm.lastUpdate: 1507035638
media.gmp-widevinecdm.version: 1.4.8.1008
media.gmp.storage.version.observed: 1
media.hardware-video-decoding.failed: false
media.webrtc.debug.log_file: C:\Users\Ed\AppData\Local\Temp\WebRTC.log
network.cookie.prefsMigrated: true
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1510182377
places.history.expiration.transient_current_max_pages: 137454
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plugins.ctprollout.cohort: test
plugins.ctprollout.cohortSample: 0.606462
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Mkll 314 solutions 1978 answers

Hi there, let's try a refresh!

The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information.

Note: When you use this feature, you will lose any extensions, toolbar customizations, and some preferences. See the Refresh Firefox - reset add-ons and settings article for more information.

To Refresh Firefox:

  1. Open the Troubleshooting Information page using one of these methods:
    • Click the menu button New Fx Menu , click help Help-29 and select Troubleshooting Information. A new tab containing your troubleshooting information should open.
    • If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting Information page.
  2. At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it.
  3. Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported.
  4. Click Finish and Firefox will reopen.

Did this fix the problem? Please report back to us!

Thank you.

Hi there, let's try a refresh! The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information. '''''Note:''' When you use this feature, you will lose any extensions, toolbar customizations, and some preferences.'' See the [[Refresh Firefox - reset add-ons and settings]] article for more information. To Refresh Firefox: # Open the Troubleshooting Information page using one of these methods: #*Click the menu button [[Image:New Fx Menu]], click help [[Image:Help-29]] and select ''Troubleshooting Information''. A new tab containing your troubleshooting information should open. #*If you're unable to access the Help menu, type '''about:support''' in your address bar to bring up the Troubleshooting Information page. #At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it. #Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported. #Click Finish and Firefox will reopen. Did this fix the problem? Please report back to us! Thank you.

Question owner

I'm reluctant to Refresh since I'll loose my extensions. I tried starting Firefox in Safe Mode but the problem is still there. Since Safe Mode didn't help is there any reason to try Refresh? If so, how do I re-install extensions (specifically Kaspersky)?

I'm reluctant to Refresh since I'll loose my extensions. I tried starting Firefox in Safe Mode but the problem is still there. Since Safe Mode didn't help is there any reason to try Refresh? If so, how do I re-install extensions (specifically Kaspersky)?
dleolion 1 solutions 10 answers

I am having the same problem as diegodad. Firefox Quantum runs VERY slow on my computer with Windows 7. It takes about 25 seconds to load Firefox, then once loaded whether I type something in the address bar, or click on one the 'top sites' on my new tab page it can take anywhere from 15 - 30 seconds for that website to appear. And, I can get the message across the top saying Mozilla Firefox is not responding. Clicking between already opened tabs is not a problem, but getting them to open in the first place is excruciatingly SLOW! I tried the fix "Refresh Firefox" and it did NOTHING. BTW, this computer had no extensions or add-ons even before I ran Refresh. Any other suggestions? I've used Firefox for 10 years and this is the most frustrated about an update that I've ever been.

I am having the same problem as diegodad. Firefox Quantum runs VERY slow on my computer with Windows 7. It takes about 25 seconds to load Firefox, then once loaded whether I type something in the address bar, or click on one the 'top sites' on my new tab page it can take anywhere from 15 - 30 seconds for that website to appear. And, I can get the message across the top saying Mozilla Firefox is not responding. Clicking between already opened tabs is not a problem, but getting them to open in the first place is excruciatingly SLOW! I tried the fix "Refresh Firefox" and it did NOTHING. BTW, this computer had no extensions or add-ons even before I ran Refresh. Any other suggestions? I've used Firefox for 10 years and this is the most frustrated about an update that I've ever been.
Ellaryk 0 solutions 13 answers

I had the same problem. I have Realplayer installed and I suspected it may be the problem. So I checked its settings. It was set to "on page load 7 seconds". I changed it to" mouse over" and it seems to have corrected the problem. I'll be setting Firefox to default browser and if it's fixed I'll be back her to confirm. Curious though that this setting didn't affect Chrome.

I had the same problem. I have Realplayer installed and I suspected it may be the problem. So I checked its settings. It was set to "on page load 7 seconds". I changed it to" mouse over" and it seems to have corrected the problem. I'll be setting Firefox to default browser and if it's fixed I'll be back her to confirm. Curious though that this setting didn't affect Chrome.

Modified by Ellaryk

Michaelsart 1 solutions 9 answers

I have the same problem. Very slow. Have been waiting for Build.com to open for 15 minutes. Also still seem to have the problem of not being able to play YouTube HTML5 videos. My Yahoo email account is a slow as it was in 1998 on dial-up. I'm sure they're working out the kinks but wouldn't it have been better to fix them before all the hoopla of the drop? What do I do in the meantime? Explorer?!

Running Win 10 Home 64-bit

I have the same problem. Very slow. Have been waiting for Build.com to open for 15 minutes. Also still seem to have the problem of not being able to play YouTube HTML5 videos. My Yahoo email account is a slow as it was in 1998 on dial-up. I'm sure they're working out the kinks but wouldn't it have been better to fix them before all the hoopla of the drop? What do I do in the meantime? Explorer?! Running Win 10 Home 64-bit
silvermangb 0 solutions 3 answers

Helpful Reply

This is the death of firefox. chrome, even edge, is better than trying to fix this.

This is the death of firefox. chrome, even edge, is better than trying to fix this.
philipp
  • Top 25 Contributor
  • Moderator
5324 solutions 23509 answers

Chosen Solution

hi diegodad, one more thing that i have just noticed when looking at your system details - can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once.

then please let us know how this goes?

hi diegodad, one more thing that i have just noticed when looking at your system details - can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter '''about:config''' into the firefox address bar (confirm the info message in case it shows up) & search for the preference named '''accessibility.force_disabled'''. double-click it, change its value to '''1''' and restart firefox once. then please let us know how this goes?

Question owner

Thank you philipp - changing accessibility.force_disabled to 1 fixed the problem.

Thank you philipp - changing accessibility.force_disabled to 1 fixed the problem.
dleolion 1 solutions 10 answers

Hello Mkll, Is the fix you gave diefodad to change accessibility.force_disabled to 1 a possible fix for all of us with this slowness issue with Firefox Quantum??? As I have stated, your first fix of "Refresh Firefox" did not work in my case. Should I try the second fix, too?

Hello Mkll, Is the fix you gave diefodad to change accessibility.force_disabled to 1 a possible fix for all of us with this slowness issue with Firefox Quantum??? As I have stated, your first fix of "Refresh Firefox" did not work in my case. Should I try the second fix, too?
dleolion 1 solutions 10 answers

Sorry, my bad. I meant to ask Phillip about his fix when Mkll's fix didn't work for me.

Sorry, my bad. I meant to ask Phillip about his fix when Mkll's fix didn't work for me.
philipp
  • Top 25 Contributor
  • Moderator
5324 solutions 23509 answers

@dleolion, it depends. go to about:support and scroll down to the accessibility section - if it says that accessibility is active there, the fix probably applies to your situation as well...

@dleolion, it depends. go to about:support and scroll down to the accessibility section - if it says that accessibility is active there, the fix probably applies to your situation as well...
dleolion 1 solutions 10 answers

Phillip, I guess that won't work in my situation as it shows: Activated: false Prevent Accessibility: 0 Accessible Handler Used: true Hopefully, there will be another suggestion that will work. Thanks!

Phillip, I guess that won't work in my situation as it shows: Activated: false Prevent Accessibility: 0 Accessible Handler Used: true Hopefully, there will be another suggestion that will work. Thanks!
philipp
  • Top 25 Contributor
  • Moderator
5324 solutions 23509 answers

i'd ask you to open a new question then, so that we can look into your situation more closely, thnx.

i'd ask you to open a new question then, so that we can look into your situation more closely, thnx.
silvermangb 0 solutions 3 answers

I have a Surface Pro 4 with the latest Windows 10 updates.

Today, I set the accessibility.forced_disabled=1 and that *seems* to fix the problem. I say seems as it has been good for several hours. We'll see if it stays good.

I have a Surface Pro 4 with the latest Windows 10 updates. Today, I set the accessibility.forced_disabled=1 and that *seems* to fix the problem. I say seems as it has been good for several hours. We'll see if it stays good.
Ellaryk 0 solutions 13 answers

So the Realplayer issue was not the full solution. Firefox is still slow. Mouse clicks are slow. And I get the "not responding" message occasionally. So I'm trying the accessibility.force_disabled setting to 1. If that doesn't resolve it I will disable all of my extensions. However, Firefox was slow before I added the extensions. So I don't see them as the problem.

However, for every one of us who are willing to seek a solution, how many others will not even bother?

So the Realplayer issue was not the full solution. Firefox is still slow. Mouse clicks are slow. And I get the "not responding" message occasionally. So I'm trying the accessibility.force_disabled setting to 1. If that doesn't resolve it I will disable all of my extensions. However, Firefox was slow before I added the extensions. So I don't see them as the problem. However, for every one of us who are willing to seek a solution, how many others will not even bother?
roygbiv221 0 solutions 2 answers

why would we need to do a refresh when the user said he just installed a new version?

why would we need to do a refresh when the user said he just installed a new version?
bravedog 0 solutions 23 answers

diegodad's suggestion "enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once. " worked for me! [at least so far!]

diegodad's suggestion "enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once. " worked for me! [at least so far!]
Ellaryk 0 solutions 13 answers

diegodad's suggestion has worked for me too. Perhaps that setting should be the installation default?

diegodad's suggestion has worked for me too. Perhaps that setting should be the installation default?

Question owner

I appreciate the posts that my fix worked for others, but it's not my suggestion, it's philipp's.

I appreciate the posts that my fix worked for others, but it's not my suggestion, it's philipp's.
bravedog 0 solutions 23 answers

Thanks. Since I think philipp is also the once suggesting "go to the firefox menu = > options > privacy & security panel and under permissions check the setting to prevent accessibility services from accessing your browser" in the new version, this might be a simpler way to do the same thing?

But if like me the new version has become almost completely unresponsive so this isn't possible, you can use another browser like chrome to reinstall an older version of firefox and then use his suggestion "enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once." This will be necessary in the old version [at least mine] since there there is no such permissions setting under Options

Thanks. Since I think philipp is also the once suggesting "go to the firefox menu = > options > privacy & security panel and under permissions check the setting to prevent accessibility services from accessing your browser" in the new version, this might be a simpler way to do the same thing? But if like me the new version has become almost completely unresponsive so this isn't possible, you can use another browser like chrome to reinstall an older version of firefox and then use his suggestion "enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once." This will be necessary in the old version [at least mine] since there there is no such permissions setting under Options