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red dots showing at the top of the firefox browser

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  • 最后回复者为 cor-el

825397485
825397485
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red dots showing at the top edge of the firefox browser on my macbook pro

red dots showing at the top edge of the firefox browser on my macbook pro

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cor-el
cor-el
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Could this be a transparency issue where you see part of the desktop leaking through?

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window