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FireFox starts in the task manager, but there is no desktop FireFox window. This occurs in safe mode also. Re-installing does not fix. Using FF 3.6.6 on win7/64bit

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AnonymousUser
AnonymousUser
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FireFox starts in the task manager, but there is no dektop FireFox window. This occurs in safe mode also. Re-installing does not fix. Using FF 3.6.6 on win7/64bit

This happened

Every time Firefox opened

When 3.6.4 auto upgraded to 3.6.6 .

User Agent

Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.86 Safari/533.4

FireFox starts in the task manager, but there is no dektop FireFox window. This occurs in safe mode also. Re-installing does not fix. Using FF 3.6.6 on win7/64bit == This happened == Every time Firefox opened == When 3.6.4 auto upgraded to 3.6.6 . == == User Agent == Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.86 Safari/533.4

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cor-el
cor-el
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A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, maybe after detecting changes (update) to the Firefox program. 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 to internet for Firefox.

See Server Not Found - Troubleshoot connection problems and Configure firewalls so that Firefox can access the Internet and http://kb.mozillazine.org/Firewalls