Firefox 3.5.1 running Vista has stopped working. No error message. Tried to uninstall and install also the latest version and get a message saying that I must first close Firefox (which of course obviously does not work)

Firefox 3.5.1 running Vista stopped work, no error message. Tried to uninstall and install the updated version. Download the message that I first need to close Firefox, but it is not obviously executed.

This has happened

Don't know how many times

I restored my system to an earlier date, December 2009

User Agent

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; Dealio Toolbar 3.1.1; .NET CLR 3.5.30729; .NET CLR 3.0.30618; NET4.0C; AskTbWCL/5.8.0.12304)

Firefox can not run visibly, but is probably running in the background. It is in the Task Manager. To access the Task Manager go to Start and type in taskmgrsearch field. This will open the process task manager. Then go to the tab processes and end firefox.exe. After the end of this process, close the Task Manager and try to re-run the installation/uninstallation.

Tags: Firefox

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