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Firefox is already running, but is not responding.

已張貼

I cannot start firefox. I downloaded it on a fresh install of windows10 and it will not start the app. I have tried to reinstall but it says that there was already previous install dispite having removed all the files. It only come up with this error and will not start. the task manager shows several processes when I double click the desktop icon and then the message comes up.

I cannot start firefox. I downloaded it on a fresh install of windows10 and it will not start the app. I have tried to reinstall but it says that there was already previous install dispite having removed all the files. It only come up with this error and will not start. the task manager shows several processes when I double click the desktop icon and then the message comes up.

被選擇的解決方法

OK, I think it is fixed. Thank you everyone for your help. I performed a global search for any files containing Mozilla and deleted them one by one. then emptied trash restarted and reinstalled. Thank seemed to fix it as it is opening now without any problem.

從原來的回覆中察看解決方案 0
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額外的系統細節

已安裝的外掛程式

None

應用程式

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

更多資訊

djdakta 0 個解決方法 3 個答案

Hi,

Thanks for your submission and welcome to the Support Forum.

Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again.

After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal).

Thanks for your reply. Kind regards, Dakta

Hi, Thanks for your submission and welcome to the Support Forum. Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again. After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal). Thanks for your reply. Kind regards, Dakta
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cor-el
  • Top 10 Contributor
  • Moderator
17350 個解決方法 156825 個答案

It is possible that your firewall or other security software blocks or restricts Firefox without informing you, possibly after detecting changes (update) to the Firefox application. Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full, unrestricted, access for Firefox and the plugin-container process and the updater process.

See:


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 your firewall or other security software blocks or restricts Firefox without informing you, possibly after detecting changes (update) to the Firefox application. Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full, unrestricted, access for Firefox and the plugin-container process and the updater process. See: *https://support.mozilla.org/en-US/kb/server-not-found-connection-problem *https://support.mozilla.org/en-US/kb/Firewalls *https://support.mozilla.org/en-US/kb/fix-problems-connecting-websites-after-updating ---- Try to start Firefox in <u>Safe Mode</u> to see if that works. *Windows: hold down the Shift key while starting Firefox *Mac: hold down the Options key while starting Firefox *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
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cor-el
  • Top 10 Contributor
  • Moderator
17350 個解決方法 156825 個答案

You can create a new profile to test if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

You can create a new profile to test if your current profile is causing the problem. See "Creating a profile": *https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles *http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems. *https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile
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提出問題者

djdakta said

Hi, Thanks for your submission and welcome to the Support Forum. Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again. After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal). Thanks for your reply. Kind regards, Dakta

Have tried that and to no avail. It seems to start to processes at the same time, and that is not letting it start What I have tried - CMD > taskkill /f /im/firefox.exe - uninstall and remove all files and restart - delete all files in appdata after uninstall

Nothing seems to work and firefox installer still remembers that it was installed on the computer, so i do not think it is doing a clean install merely restoring the data.

''djdakta [[#answer-1235478|said]]'' <blockquote> Hi, Thanks for your submission and welcome to the Support Forum. Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again. After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal). Thanks for your reply. Kind regards, Dakta </blockquote> Have tried that and to no avail. It seems to start to processes at the same time, and that is not letting it start What I have tried - CMD > taskkill /f /im/firefox.exe - uninstall and remove all files and restart - delete all files in appdata after uninstall Nothing seems to work and firefox installer still remembers that it was installed on the computer, so i do not think it is doing a clean install merely restoring the data.
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cor-el
  • Top 10 Contributor
  • Moderator
17350 個解決方法 156825 個答案

有幫助的回覆

This is a problem with the profile folder. *https://support.mozilla.org/en-US/kb/Firefox-already-running-not-responding
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提出問題者

dominik.private said

djdakta said
Hi, Thanks for your submission and welcome to the Support Forum. Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again. After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal). Thanks for your reply. Kind regards, Dakta

Have tried that and to no avail. It seems to start to processes at the same time, and that is not letting it start What I have tried - CMD > taskkill /f /im/firefox.exe - uninstall and remove all files and restart - delete all files in appdata after uninstall

Nothing seems to work and firefox installer still remembers that it was installed on the computer, so i do not think it is doing a clean install merely restoring the data.

''dominik.private [[#answer-1235535|said]]'' <blockquote> ''djdakta [[#answer-1235478|said]]'' <blockquote> Hi, Thanks for your submission and welcome to the Support Forum. Did you try 'kill' the Firefox processes that you saw or not? If not, I would suggest to do so for all the Firefox processes you'll find. Once done, try launching Firefox again. After removing/installing an app it's better to reboot your system so you're sure everything is gone. (in case of removal). Thanks for your reply. Kind regards, Dakta </blockquote> Have tried that and to no avail. It seems to start to processes at the same time, and that is not letting it start What I have tried - CMD > taskkill /f /im/firefox.exe - uninstall and remove all files and restart - delete all files in appdata after uninstall Nothing seems to work and firefox installer still remembers that it was installed on the computer, so i do not think it is doing a clean install merely restoring the data. </blockquote>
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選擇的解決方法

OK, I think it is fixed. Thank you everyone for your help. I performed a global search for any files containing Mozilla and deleted them one by one. then emptied trash restarted and reinstalled. Thank seemed to fix it as it is opening now without any problem.

OK, I think it is fixed. Thank you everyone for your help. I performed a global search for any files containing Mozilla and deleted them one by one. then emptied trash restarted and reinstalled. Thank seemed to fix it as it is opening now without any problem.
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djdakta 0 個解決方法 3 個答案

@dominik.private I’m glad you found a solution to your problem! Have a nice day.

@dominik.private I’m glad you found a solution to your problem! Have a nice day.
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