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Letters on many websites display as letter A in a box - this just strated today - how can I fix?

Kuphostiwe

Text on websites displays as letter 'A' in boxes. Restart does not fix. Is there a preference I can adjust, or a font configuration that has changed?

Text on websites displays as letter 'A' in boxes. Restart does not fix. Is there a preference I can adjust, or a font configuration that has changed?
Ama-screenshot ananyekiwe

Isisombululo esikhethiwe

You can set this pref to 2 or 1 on the about:config page to lower the sandbox security setting.

  • security.sandbox.content.level = 1
  • close and restart Firefox to make the change effective.

If '1' still doesn't have effect then try '0' to disable the sandbox.

If this didn't work then undo/reverse the change and reset the pref via the right-click context menu to the default value.

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

Funda le mpendulo ngokuhambisana nalesi sihloko 1

Eminye Imininingwane Yohlelo

Fakela amapulagi

  • Shockwave Flash 29.0 r0

Isisebenziso

  • Firefox 60.0.1
  • Umsebenzisi oyi-ejenti: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:60.0) Gecko/20100101 Firefox/60.0
  • I-URL Yokweseka: https://support.mozilla.org/1/firefox/60.0.1/Darwin/en-US/

Izandiso

  • Adobe Acrobat - Create PDF 1.2 (web2pdfextension@web2pdf.adobedotcom) (Akusebenzi)

I-Javascript

  • incrementalGCEnabled: True

Imidwebo

  • adapterDescription:
  • adapterDeviceID:
  • adapterDrivers:
  • adapterRAM:
  • adapterVendorID:
  • crashGuards: []
  • driverDate:
  • driverVersion:
  • 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'OpenGL Compositing', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'OPENGL_COMPOSITING'}, {u'status': u'unavailable', 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'unavailable', u'message': u"Build doesn't include WebRender", u'type': u'runtime'}], u'name': u'WEBRENDER'}, {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'}]}
  • info: {u'TileHeight': 512, u'ApzWheelInput': 1, u'ApzDragInput': 1, u'ApzKeyboardInput': 1, u'ApzAutoscrollInput': 1, u'AzureFallbackCanvasBackend': u'none', u'TileWidth': 512, u'AzureCanvasAccelerated': 1, u'AzureCanvasBackend': u'skia', u'AzureContentBackend': u'skia'}
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • offMainThreadPaintEnabled: True
  • offMainThreadPaintWorkerCount: 3
  • usesTiling: True
  • webgl1DriverExtensions: GL_ARB_blend_func_extended GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_occlusion_query2 GL_ARB_sampler_objects GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shading_language_include GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_vertex_type_2_10_10_10_rev GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_sRGB_decode GL_APPLE_client_storage GL_APPLE_container_object_shareable GL_APPLE_flush_render GL_APPLE_object_purgeable GL_APPLE_rgb_422 GL_APPLE_row_bytes GL_APPLE_texture_range GL_ATI_texture_mirror_once GL_NV_texture_barrier
  • webgl1Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_frag_depth EXT_sRGB 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_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
  • webgl1Renderer: Intel Inc. -- Intel HD Graphics 3000 OpenGL Engine
  • webgl1Version: 3.3 INTEL-8.24.17
  • webgl1WSIInfo: CGL
  • webgl2DriverExtensions: -
  • webgl2Extensions: -
  • webgl2Renderer: WebGL creation failed: * WebGL 2 requires support for the following features: transform_feedback2 * Exhausted GL driver options.
  • webgl2Version: -
  • webgl2WSIInfo: -
  • windowLayerManagerRemote: True
  • windowLayerManagerType: OpenGL
  • windowUsingAdvancedLayers: False

Okuthandwayo Okulungisiwe

Misc

  • Umsebenzisi JS: Cha
  • Ukufinyeleleka: Cha
FredMcD
  • Top 10 Contributor
4272 izisombululo 59922 izimpendulo
Kuphostiwe

This can happen when Firefox has a problem to access locally installed fonts because of sandbox security issues. https://wiki.mozilla.org/Security/Sandbox


Type about:preferences#content<enter> in the address bar. Across from fonts and colors, press the Advanced button. On the bottom, turn on Allow Web Sites To Choose Their Own.

[v56+] Type about:preferences#general<enter> in the address bar. Under fonts and colors, press the Advanced button. Scroll to the bottom, turn on Allow Web Sites To Choose Their Own.

Fonts Information - Detected via Flash http://browserspy.dk/fonts-flash.php?detail=1

This can happen when Firefox has a problem to access locally installed fonts because of sandbox security issues. https://wiki.mozilla.org/Security/Sandbox Type '''about:preferences#content'''<enter> in the address bar. Across from '''fonts and colors, ''' press the '''Advanced''' button. On the bottom, turn on '''Allow Web Sites To Choose Their Own. ''' [v56+] Type '''about:preferences#general'''<enter> in the address bar. Under '''fonts and colors, ''' press the '''Advanced''' button. Scroll to the bottom, turn on '''Allow Web Sites To Choose Their Own. ''' Fonts Information - Detected via Flash http://browserspy.dk/fonts-flash.php?detail=1
cor-el
  • Top 10 Contributor
  • Moderator
17587 izisombululo 159099 izimpendulo
Kuphostiwe

Isisombululo Esikhethiwe

You can set this pref to 2 or 1 on the about:config page to lower the sandbox security setting.

  • security.sandbox.content.level = 1
  • close and restart Firefox to make the change effective.

If '1' still doesn't have effect then try '0' to disable the sandbox.

If this didn't work then undo/reverse the change and reset the pref via the right-click context menu to the default value.

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

You can set this pref to 2 or 1 on the <b>about:config</b> page to lower the sandbox security setting. *security.sandbox.content.level = 1 *close and restart Firefox to make the change effective. If '1' still doesn't have effect then try '0' to disable the sandbox. If this didn't work then undo/reverse the change and reset the pref via the right-click context menu to the default value. You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue. *http://kb.mozillazine.org/about:config