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Buttons Minimise, restore and close on the top left conner are all black after upgrading my FF to the latests version 36.0.1

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After upgrading my to the latests version 36., the minimise, restore and close button on the top left conner work but they are black. I'm using Windows 7 with all Windows Updates. I already tried safe mode, reseting firefox, unchecking hardware acceleration and I use the default theme.

After upgrading my to the latests version 36., the minimise, restore and close button on the top left conner work but they are black. I'm using Windows 7 with all Windows Updates. I already tried safe mode, reseting firefox, unchecking hardware acceleration and I use the default theme.

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

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

You can try a different Windows theme in case Safe Mode and disabling hardware acceleration do not work.