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Can't open firefox


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#1 Plumber

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Posted 23 March 2016 - 10:38 AM

I upgraded from 7 to 10 and went well.Firefox worked well in 7 and for about 2 weeks in 10 but now I can't open it.Would anyone have any ideas,thank-you.



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#2 crc1978

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Posted 23 March 2016 - 10:51 AM

If you launch task-manager do you see it running ??

 

And second you could try Firefox Safe mode ...

 

https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode


#3 Plumber

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Posted 23 March 2016 - 11:01 AM

Yes it is running in the task manager.I can't open firefox to restart it in safe mode and tried holding down shift key when I try to start but that doesn't do any good either.

Edited by Plumber, 23 March 2016 - 11:04 AM.


#4 crc1978

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Posted 23 March 2016 - 11:09 AM

Have you tried to reinstall it over , so you won't loose profile and other data ???
 



#5 Plumber

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Posted 23 March 2016 - 11:19 AM

Tried several times and no luck.



#6 RolandJS

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Posted 23 March 2016 - 11:30 AM

You can completely uninstall and reinstall Firefox safely because Firefox AppData's Local and Roaming information is not touched.


"Take care of thy backups and thy restores shall take care of thee."  -- Ben Franklin revisited.

http://collegecafe.fr.yuku.com/forums/45/Computer-Technologies/

Backup, backup, backup! -- Lady Fitzgerald (w7forums)

Clone or Image often! Backup... -- RockE (WSL)


#7 Plumber

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Posted 23 March 2016 - 11:44 AM

I have tried several time and firefox still won't open or run.

#8 RolandJS

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Posted 23 March 2016 - 11:53 AM

Are you by chance recently using any privacy and/or anti-ransom programs?  Certain security programs if too assertively set will cause problems -- and I've seen known-good programs [including FF] get shut down immediately.


"Take care of thy backups and thy restores shall take care of thee."  -- Ben Franklin revisited.

http://collegecafe.fr.yuku.com/forums/45/Computer-Technologies/

Backup, backup, backup! -- Lady Fitzgerald (w7forums)

Clone or Image often! Backup... -- RockE (WSL)


#9 Plumber

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Posted 23 March 2016 - 12:07 PM

Same programs I used in windows7:eset/nod32,malwarebytes and super anti-spyware.



#10 Plumber

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Posted 24 March 2016 - 09:12 AM

Could someone delete this,it's been solved and I don't know how to do it.



#11 RolandJS

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Posted 24 March 2016 - 11:35 AM

Could someone delete this,it's been solved and I don't know how to do it.

What was the solution?


"Take care of thy backups and thy restores shall take care of thee."  -- Ben Franklin revisited.

http://collegecafe.fr.yuku.com/forums/45/Computer-Technologies/

Backup, backup, backup! -- Lady Fitzgerald (w7forums)

Clone or Image often! Backup... -- RockE (WSL)


#12 Plumber

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Posted 24 March 2016 - 02:07 PM

You're not going to like it cuz I know how you guys feel about reg.cleaners.I used jv16 power tools,did not scan registry but used the

registry finder and looked for firefox leftovers.Found about 6 of them and deleted them.Re-started and installed firefox and worked

great.



#13 RolandJS

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Posted 24 March 2016 - 02:54 PM

Actually, I am a great fan of cautious and careful usage of registry editors and cleaners.  One has to use them in scoped-rifle mode rather than the single or double barrel shotgun mode.


"Take care of thy backups and thy restores shall take care of thee."  -- Ben Franklin revisited.

http://collegecafe.fr.yuku.com/forums/45/Computer-Technologies/

Backup, backup, backup! -- Lady Fitzgerald (w7forums)

Clone or Image often! Backup... -- RockE (WSL)


#14 Agouti

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Posted 24 March 2016 - 04:07 PM

I used jv16 power tools,did not scan registry but used the registry finder and looked for firefox leftovers.Found about 6 of them and deleted them.Re-started and installed firefox and worked

great.

That was unnecessary.  Since you said Firefox is already running in Task Manager, you obviously cannot start a program that has already been started.  To fix this, open Task Manager and right-click on Firefox entry.  Select End task and you should then be able to start Firefox normally.



#15 Plumber

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Posted 24 March 2016 - 07:08 PM

Sorry but you are wrong,at least in my situation.Ended it many times in task manager and still did not work.I assume something in firefox was corrupted.






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