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Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

Firefox display blank spaces for all text (on sites, on menu and other interface element, on title).

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When start firefox all text is hidden. I restart firefox on safe mode and all text was displayed properly. Then I try to turn off all of my addons and restart in normal mode - text is hidden. I decide to reset firefox, but it's do not resolve my problem. For better understanding what is my problem I attached screenshot.

When start firefox all text is hidden. I restart firefox on safe mode and all text was displayed properly. Then I try to turn off all of my addons and restart in normal mode - text is hidden. I decide to reset firefox, but it's do not resolve my problem. For better understanding what is my problem I attached screenshot.

Isisombululo esikhethiwe

You can try to disable OMTC and leave hardware acceleration in Firefox enabled.

  • about:config page: layers.offmainthreadcomposition.enabled = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

You can try to disable hardware acceleration in Firefox.

  • Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.


You can do a font test to see if you can identify corrupted font(s).

You can try different default fonts and temporarily disable website fonts to test the selected default font.

  • Tools > Options > Content : Fonts & Colors > Advanced
  • [ ] "Allow pages to choose their own fonts, instead of my selections above"
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Isisombululo Esikhethiwe

You can try to disable OMTC and leave hardware acceleration in Firefox enabled.

  • about:config page: layers.offmainthreadcomposition.enabled = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

You can try to disable hardware acceleration in Firefox.

  • Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.


You can do a font test to see if you can identify corrupted font(s).

You can try different default fonts and temporarily disable website fonts to test the selected default font.

  • Tools > Options > Content : Fonts & Colors > Advanced
  • [ ] "Allow pages to choose their own fonts, instead of my selections above"
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Thank you! This options helped me: You can try to disable OMTC and leave hardware acceleration in Firefox enabled.

   about:config page: layers.offmainthreadcomposition.enabled = false