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my computer keeps freezing when using firefox
my desktop computer keeps freezing. after shuting firefox and reopening it, it comes up with 'an old version of firefox is running in the background. firefox needs to clo… (続きを読む)
my desktop computer keeps freezing. after shuting firefox and reopening it, it comes up with 'an old version of firefox is running in the background. firefox needs to close this to continue'. How do I delete an old version please I am running windows 7, 64 bit pro