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Firefox 6 will not start

Posted on 2011-09-20
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Last Modified: 2012-05-12
I have been using Firefox for a long time and updated to version 6 pretty much as soon as it was released. It has been working fine until yesterday.

During the day, while in use, Firefox just closed itself down. Now every time I try to start it up again it goes immediately to the "crashed" dialog box.

I have tried uninstalling Firefox, deleting any (?) left over files and folders, cleaned (?) the registry and reinstalled ... but it still crashes.

I currently have Firefox v3.6 installed and it is working fine.

Windows 7 professional, I also have IE9, Opera, Chrome (latest versions) installed. This is a .Net development machine with VS2010, .Net 4, etc,
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Question by:ascendinternet
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11 Comments
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 36571457
Very strange. Can you try FX 7?
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Author Comment

by:ascendinternet
ID: 36571869
I thought the latest was 6.x - is 7 actually out or is it beta?

http://www.mozilla.org/en-US/firefox/new/ shows 6.0.2 which is the version I had installed?
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 36571972
6.0.2 is the latest release version
I do not have any idea why it does not run if you re-installed and cleaned everything up (including plugins) - to see if you have plugin issues, try starting it in safe mode.

7 is still in beta. I use it on my Mac.
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Author Comment

by:ascendinternet
ID: 36572001
I have tried starting it in safe mode (hold shift key down) but that fails as well!
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 36573374
Then I am out of ideas
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LVL 50

Expert Comment

by:jcimarron
ID: 36577098
ascendinternet--What changes have you made in the last day or so (installed new software, hardware, etc.)?  You could try a System Restore.
And you should scan for malware.  http://support.mozilla.com/en-US/questions/865575
And while written before FF 6, there are some ideas here which may help
http://kb.mozillazine.org/Firefox_crashes
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Author Comment

by:ascendinternet
ID: 36902635
No changes have been made recently, I subsequently changed to a new Anti-Virus system (Kaspersky) which did not find anything.

Due to my current workload I just cannot take the time or risk updating Firefox again, so this will just have to wait :-(
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LVL 50

Expert Comment

by:jcimarron
ID: 36904144
ascendinternet--I guess you know FF is up to version 7.0.1 now.  v7.0.0 had some glitches.  I do not think FF is helping their reputation by coming out with a new version every few weeks.  It would seem they are not testing each enough.
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 36904463
I'm on 8beta
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Accepted Solution

by:
ascendinternet earned 0 total points
ID: 37006347
I am going to close this question as I do not have the time to investigate any more as it would interfere with earning money!

It is new laptop time anyway, so I will stick with the old version of Firefox until then.

Thanks for all of your suggestions anyway.
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Author Closing Comment

by:ascendinternet
ID: 37035261
Do not have the time to investigate further. New laptop will fix the problem - hopefully!!
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