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White block on top of each page

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  • 1 has this problem
  • 14 views
  • Last reply by FredMcD

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After the latest update I've got this weird problem where all my websites open with a blank space which blocks a part of the content. I tried erasing cookies and it did nothing, also tried disabling all extensions. Can anyone help?

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Reinstalling did not help. Refreshing did not help. Everything works fine in troubleshooting mode... Any thoughts?

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It could be the work of one of your add-ons, or it could be Hardware Acceleration. How to disable Hardware Acceleration {web link}

Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control> (Mac=<Command>) <Shift> A)

In the Add-ons Manager, on the left, select Extensions. Disable a few add-ons, then Restart Firefox.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All Of them.

If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group ONE AT A TIME (restarting FF) until the problem returns.

Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is, detective.

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