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My Firefox stopped working with Windows10. Tried to re-install but can't uninstall first due to 'Please close Firefox to continue' message.

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  • Última respuesta de Shadow110

andycr
andycr
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My computer runs Windows 10 and after well over a year of browsing with my default browser, Firefox, with no problem, clicking on my Firefox icon failed to bring up the Firefox page and the internet. I finally decided to unistall Ff and then install a download. I have managed to download it but it won't run as the message comes up that it is open, when it isn't. When I try to uninstall, I get the message 'Please close Firefox to continue'. Is this familiar to anyone?

My computer runs Windows 10 and after well over a year of browsing with my default browser, Firefox, with no problem, clicking on my Firefox icon failed to bring up the Firefox page and the internet. I finally decided to unistall Ff and then install a download. I have managed to download it but it won't run as the message comes up that it is open, when it isn't. When I try to uninstall, I get the message 'Please close Firefox to continue'. Is this familiar to anyone?

Todas las respuestas (5)

Vault108
Vault108
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Hello,

Please try using task manager to kill firefox. https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding?redirectlocale=en-US&redirectslug=Firefox+is+already+running+but+is+not+responding#w_use-the-windows-task-manager-to-close-the-existing-firefox-process

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Try to start Firefox in Safe Mode to see if that works.

  • Windows: hold down the Shift key while starting Firefox
  • Mac: hold down the Options key while starting Firefox

It is possible that security software (anti-virus, firewall) is causing the problem. Try to disable security software temporarily to see if that makes a difference.

Try to boot the computer in Windows Safe Mode with network support (press F8 on the boot screen or hold down the Shift key).

andycr
andycr Autor de la pregunta
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I've been around the houses a few times, as I can't open the Firefox page but eventually the Firefox profile appeared on Task Manager and I closed it. Unfortunately, I still can't run my downloaded Firefox Installer.exe file as the 'Please close Firefox to continue' message appears. Another file called Feedback has also disappeared rather strangely-I don't know how.

Shadow110
Shadow110
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HI, please grab a copy of your Profile

Then download Current Release Firefox 59.0.2 with a Full Version Installer

Then boot into Windows 10 Safe Mode

Please uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files , C:\Program Files(x86) & C:\ProgramData Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved.

For the future always :

Please let us know if this solved your issue or if need further assistance.

Shadow110
Shadow110
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Note fyi : check to see if have Microsoft update KB4093105 700megs If not you can get it here : https://www.catalog.update.microsoft.com/Search.aspx?q=kb4093105 Note fyi : Windows Spring Update out April 30th so back up stuff you want to save to another drive. https://www.windowscentral.com/microsoft-announces-windows-10-april-2018-update