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Windows 7: How to replace a bad perfproc.dll file

19 Oct 2010   #1
pjhormell

win7 32 bit
 
 
How to replace a bad perfproc.dll file

I ran sfc /scannow and it said I had a bad perfproc.dll file and it could not be repaired. I downloaded a good copy of the perfproc .dll file from another win7 PC. When I tried to copy it back to my PC win 7 would not allow me to paste it in the system32 folder. The system said the file was ether open or in use by another program. My PC is a dual boot system with XP-Pro installed in another partition. I booted up XP and tried to copy the perfproc into the win 7 partition but got the same message. I then booted up using a BART Boot CD and tried to copy the perfproc file into the win 7 disc and got the same error message. Does anybody have any idea how I can replace the bad perfproc.dll file in the win 7 partition?


My System SpecsSystem Spec
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19 Oct 2010   #2
Brink
Microsoft MVP

64-bit Windows 10
 
 

Hello Pjhormell,

You would need to take ownership of the original perfproc.dll file and "Allow" your user account "Full Control" of it, rename the original perfproc.dll file, then copy the replacement into the System32 folder.

Hope this helps,
Shawn
My System SpecsSystem Spec
20 Oct 2010   #3
pjhormell

win7 32 bit
 
 
Problem solved

Your solution worked. Thanks for the help
Jon
My System SpecsSystem Spec
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20 Oct 2010   #4
Brink
Microsoft MVP

64-bit Windows 10
 
 

You're most welcome Jon. I'm glad to hear that you got it sorted.
My System SpecsSystem Spec
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 How to replace a bad perfproc.dll file




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