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when i try to reopen firefox it says it is still running and i need to restart my computer

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A message pops up saying firefox is already running and needs to be closed but I cannot close it. It also says I can close it by restarting my computer. Restarting works but I have to do it nearly every time I try to start firefox.

A message pops up saying firefox is already running and needs to be closed but I cannot close it. It also says I can close it by restarting my computer. Restarting works but I have to do it nearly every time I try to start firefox.

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Please read this article to see if it helps:

http://kb.mozillazine.org/Firefox_hangs#Hang_at_exit

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There are other things that need your attention.

Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.

  1. Adobe PDF Plug-In For Firefox and Netscape "9.4.3"
  2. Shockwave Flash 10.0 r32
  3. Next Generation Java Plug-in 1.6.0_17 for Mozilla browsers

Update the Flash plugin to the latest version.

Update the Java plugin to the latest version.

Update the Adobe Reader plugin to the latest version.