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Why does Firefox highlight my address bar?

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Whenever I switch tabs, the address bar gets highlighted in "blue".

It never did that before.

How do I STOP that..???

Whenever I switch tabs, the address bar gets highlighted in "blue". It never did that before. How do I STOP that..???

All Replies (1)

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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 -> Appearance
  • Do NOT click the "Refresh Firefox" button on the Safe Mode start window