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When I close FF it is still running when I look at the XP Task Manager and I have to manually end it before I can reopen FF. What can I do to correct this problem?

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I am using Win XP Pro I believe this started after my last FF update

Modified by graphicfunn

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Something must be keeping Firefox from closing properly.

https://support.mozilla.com/en-US/kb/Firefox%20hangs - see hang-at-exit section

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Chosen Solution

Something must be keeping Firefox from closing properly.

https://support.mozilla.com/en-US/kb/Firefox%20hangs - see hang-at-exit section

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Thanks. It seems that Flash Video Downloader - Youtube Downloader 2.0.17 was causing the problem.

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I was having this same problem on a Win7 X64 machine. Turns out it was the AVG link scanner that was causing it to hang in memory after exit. Disabled the link scanner, runs great.