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Since I upgraded to Windows 10 Firefox won't work on Facebook.

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First, FB came out blurred with broken typefaces. Then I could comment on posts. It looks like my computer is forcing me to use Explorer Edge.

First, FB came out blurred with broken typefaces. Then I could comment on posts. It looks like my computer is forcing me to use Explorer Edge.

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You may have zoomed web page(s) by accident. Reset the page zoom on pages that cause problems.

  • View > Zoom > Reset (Ctrl/Command+0 (zero))

Start Firefox in Safe Mode to check if one of the extensions (Firefox menu button/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox menu button/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window

Can you attach a screenshot?

  • Use a compressed image type like PNG or JPG to save the screenshot
  • Make sure that you do not exceed the maximum size of 1 MB