I get 20 to 30 of these Perflib_Perfdata.dat files in my Windows\Temp database each time I create certain in there. I have completed some research that says they are for "Prefetch" and are harmless. On the other hand, I in addition understand that optimally, these things are deleted upon shutdown. Mine are not being deleted. I might swear that when I first installed XP Pro, I did not have comprised these files appearing. Something's misrepresented, I suspect. Anybody have a solution for getting rid of these files, or protect them from being created, or create certain they are deleted at shut down as they are supposed to be.
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