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command + C

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Hello! I want to start using firefox instead of chrome, but there is a strange problem — i can't copy. Command+C doesn't work, I can do it only by right click or if I choose "copy" from "edit" in menu bar. But of course i used to command+C. Everything good with other shortcuts. What could be the problem?

Hello! I want to start using firefox instead of chrome, but there is a strange problem — i can't copy. Command+C doesn't work, I can do it only by right click or if I choose "copy" from "edit" in menu bar. But of course i used to command+C. Everything good with other shortcuts. What could be the problem?

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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 -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window