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Can't exit mozilla

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Mozilla Firefox is not working. It worked fine yesterday and I haven't knowingly installed anything since. I can't uninstall it because I keep being told that it has to be closed before I can uninstall it. BUT it's not open!!! I am well and truly stuck! It opens and works in safe mode but just won't open in normal mode. PLEASE HELP!

Mozilla Firefox is not working. It worked fine yesterday and I haven't knowingly installed anything since. I can't uninstall it because I keep being told that it has to be closed before I can uninstall it. BUT it's not open!!! I am well and truly stuck! It opens and works in safe mode but just won't open in normal mode. PLEASE HELP!

Chosen solution

Turned my computer on this morning and guess what??? Firefox is working again!!! No idea how that happened but I'm very relieved. Thanks for your help.

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36

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P44 1 solutions 41 answers

Hello nickyfrance, have you tried restarting your operating system to see if firefox works fine?

Hello nickyfrance, have you tried restarting your operating system to see if firefox works fine?
P44 1 solutions 41 answers

You can also try this. It's not the regular way though. 1. Go to computer. 2. 2x Click Local disk :C. 3. 2x Click Program Files (x86). 4. Locate and find ALL Mozilla files and delete.

Same with Mozilla Maintenance. 1. Go to Control Panel. Open Programs. 2. Uninstall Firefox. It will, not be able to but it will ask to remove all of its features. 3.Click yes.

Do the same for Mozilla Maintenance. DONE!

You can also try this. It's not the regular way though. 1. Go to computer. 2. 2x Click Local disk :C. 3. 2x Click Program Files (x86). 4. Locate and find ALL Mozilla files and delete. Same with Mozilla Maintenance. 1. Go to Control Panel. Open Programs. 2. Uninstall Firefox. It will, not be able to but it will ask to remove all of its features. 3.Click yes. Do the same for Mozilla Maintenance. DONE!
moses
  • Moderator
364 solutions 3029 answers

@nickyfrance

Please do not try these steps:
You can also try this. It's not the regular way though. 1. Go to computer. 2. 2x Click Local disk :C. 3. 2x Click Program Files (x86). 4. Locate and find ALL Mozilla files and delete. Same with Mozilla Maintenance. 1. Go to Control Panel. Open Programs. 2. Uninstall Firefox. It will, not be able to but it will ask to remove all of its features. 3.Click yes. Do the same for Mozilla Maintenance. DONE!

These steps will erase Firefox from your computer and any bookmarks/personal saved data you had in Firefox.

@benjamindmanford: Please don't suggest doing anything to Mozilla files ESPECIALLY deleting. This is not recommended to users at all since they might delete an important system file and render their system unusable.


As for your issue with Firefox, it may be running in the background. Read How to close Firefox when it says it's running.

@nickyfrance Please do not try these steps: <blockquote>You can also try this. It's not the regular way though. 1. Go to computer. 2. 2x Click Local disk :C. 3. 2x Click Program Files (x86). 4. Locate and find ALL Mozilla files and delete. Same with Mozilla Maintenance. 1. Go to Control Panel. Open Programs. 2. Uninstall Firefox. It will, not be able to but it will ask to remove all of its features. 3.Click yes. Do the same for Mozilla Maintenance. DONE! </blockquote> These steps will erase Firefox from your computer and any bookmarks/personal saved data you had in Firefox. @benjamindmanford: Please don't suggest doing anything to Mozilla files ESPECIALLY deleting. This is not recommended to users at all since they might delete an important system file and render their system unusable. ---- As for your issue with Firefox, it may be running in the background. Read [https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding#w_end-firefox-processes How to close Firefox when it says it's running].

Modified by moses

P44 1 solutions 41 answers

Got that Moses

Got that Moses

Question owner

So what should I try then Moses? I really need a solution :(

So what should I try then Moses? I really need a solution :(
moses
  • Moderator
364 solutions 3029 answers

Nickyfrance As for your issue with Firefox, it may be running in the background. Read How to close Firefox when it says it's running.

Previous post had it too.

Nickyfrance As for your issue with Firefox, it may be running in the background. Read [https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding#w_end-firefox-processes How to close Firefox when it says it's running]. Previous post had it too.
cor-el
  • Top 10 Contributor
  • Moderator
12329 solutions 114053 answers

It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.

See:


Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.

Download a fresh Firefox copy and save the file to the desktop.

If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.

  • Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you lose personal data like bookmarks and passwords from profiles of other Firefox versions.

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • (32 bit Windows) "C:\Program Files\Mozilla Firefox\"
  • (64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"

Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.

If you keep having problems then also create a new profile.


It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program. Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process. See: *https://support.mozilla.org/kb/Server+not+found *https://support.mozilla.org/kb/Firewalls *https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating ---- Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release. Download a fresh Firefox copy and save the file to the desktop. *Firefox 27: http://www.mozilla.org/en-US/firefox/all.html If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software. *Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you lose personal data like bookmarks and passwords from profiles of other Firefox versions. Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer. *(32 bit Windows) "C:\Program Files\Mozilla Firefox\" *(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\" *It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling. *http://kb.mozillazine.org/Uninstalling_Firefox Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox. If you keep having problems then also create a new profile. ---- *http://kb.mozillazine.org/Profile_folder_-_Firefox *http://kb.mozillazine.org/Profile_backup *http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Question owner

I have done that Moses - useful tip! I have now uninstalled Firefox and reinstalled it but it is still not working. What can I do now?

I have done that Moses - useful tip! I have now uninstalled Firefox and reinstalled it but it is still not working. What can I do now?

Question owner

@cor-el I have done all those things and now have a new version of Firefox but I still can't open it!

@cor-el I have done all those things and now have a new version of Firefox but I still can't open it!

Question owner

Actually, that's not strictly true - I have done a clean reinstall but I have not been able to do anything with my firewall settings as I don't know how :(

Actually, that's not strictly true - I have done a clean reinstall but I have not been able to do anything with my firewall settings as I don't know how :(
P44 1 solutions 41 answers

nickyfrance:

When was the last time you updated you pc?? Also try updating your pc and try starting firefox. If it doesn't work, try reinstalling once again.

nickyfrance: When was the last time you updated you pc?? Also try updating your pc and try starting firefox. If it doesn't work, try reinstalling once again.

Question owner

What do you mean 'updated' my PC?

What do you mean 'updated' my PC?
P44 1 solutions 41 answers

Installed windows updates??

Installed windows updates??

Question owner

It updates automatically.

It updates automatically.
P44 1 solutions 41 answers

Ok try and boot into safe mode. Once you are there, try uninstalling mozilla and boot back into normal mode and install mozilla from there and lets see what happen ok.

Ok try and boot into safe mode. Once you are there, try uninstalling mozilla and boot back into normal mode and install mozilla from there and lets see what happen ok.

Question owner

How do I get into safe mode? My last solution was to pull the plug on the computer and then it offers me the safe mode option when restarting. I assume there's a better way?

How do I get into safe mode? My last solution was to pull the plug on the computer and then it offers me the safe mode option when restarting. I assume there's a better way?
P44 1 solutions 41 answers
Here is a useful link to help you start with http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-7
cor-el
  • Top 10 Contributor
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12329 solutions 114053 answers

Which firewall do you have?

Is it covered in one of the knowledge base articles?

Which firewall do you have? Is it covered in one of the knowledge base articles? *https://support.mozilla.org/kb/Firewalls *https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating

Question owner

I have now added Firefox to the list of permitted programs (it wasn't in the list) but it still doesn't work.

I have now added Firefox to the list of permitted programs (it wasn't in the list) but it still doesn't work.
cor-el
  • Top 10 Contributor
  • Moderator
12329 solutions 114053 answers

If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.

Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)

If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears. Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit) *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes