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Cursor jumps to address bar or closes window while typing.

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  • 1 has this problem
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  • Last reply by cor-el

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When using Firefox on my 2018 MacBook Pro the cursor will either jump to the address bar or close the window in which I have been entering text. This has been happening since I got the MacBook Pro. This does not happen with other browsers, only Firefox. It has continued with this issue through several OS updates as well as Firefox updates.

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Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css 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 Troubleshoot Mode start window

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