missing DLL message

recently when starting computer message appears "cannot find windows\system32\perfoss.dill

also since that time I am not able to update virus database anti-grassroots. I have not noticed other problems.

perfoss. Dill

Attention spelling counts.

A S or two?

The error message is actually referring to PERFOSS. DLL (I guess that the i is a typo) or doesn't do it refers to PERFORMANCES. DLL?

PERFOS. DLL (with an S) is a legitimate Windows XP but PERFOSS file. DLL (with two characters of S) is likely to be some kind of malware.

Tags: Windows

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