Validate file

June 21, 2010 at 09:52:20
Specs: Windows XP
I found ALG.EXE-275708CF.pf in my c:\windows\prefetch file. Is this spyware or a virus?

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#1
June 21, 2010 at 10:10:13
It could be... but not probable: more likely a legitimate use of Application Layer Gateway (used by Internet Connection Sharing, M$ Firewall, etc.).

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#2
June 21, 2010 at 10:12:26
Oh, and being as it is a "prefetch" file, you can delete it any time you like (it will return). You DO understand what a prefetch file does, do you?

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#3
June 21, 2010 at 10:20:38
In spite of the unusual name this is a perfectly legitimate file. Files in the prefetch folder are there to optimize both boot and application launch times. Leave them alone.

A great deal of nonsense can be found on the internet concerning prefetch files, so much that the truth is hard to find.


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