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firefox runs in a process tree but browser doesn't start
After firefox auto-upgraded to the latest version it wouldn't start. The firefox is in process manager (vista home premium 32 bit) but browser window doesn't come up . I tried to clear all temporary files,removed cache ,removed IE cache, deleted all history in vista ,defragmented registry. Uninstaller-rebooted-re-installed firefox still with the same result. Double click would turn my mouse pointer in to a little sand-timer and then retuyrns to normal ,still no firefox browser,only a running process
Every time Firefox opened
firefox auto-updated to the latest version
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; iOpus-Web-Automation; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30729; InfoPath.2)