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Firefox crashed. tried to delete old to install new. won't delete. tried to replace old with new, but tells me i need to close it first but it's not open

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Fire fox crashed. I deleted it and installed new version, it worked fine. Got an email with possible virus, so system restored to an earlier date. When I did this, it brought back the old firefox. I tried to delete it, but it won't delete. When I tried to download new version to replace old version, it says I have to close firefox first, but it's not open. What do I do now?

Fire fox crashed. I deleted it and installed new version, it worked fine. Got an email with possible virus, so system restored to an earlier date. When I did this, it brought back the old firefox. I tried to delete it, but it won't delete. When I tried to download new version to replace old version, it says I have to close firefox first, but it's not open. What do I do now?

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Hi jposes

Before installing the new firefox go to Windows Task Manager (Ctrl+Alt+Supr), go to the Processes tab and search for any "firefox.exe" (or firefox.exe*32), give a right click and select "End Process Tree". This should be enough to let you install the new FireFox.

Take care and hope this had been useful to you.