red dots showing at the top of the firefox browser
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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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