perfos.dll: download the file and fix the error

32-bit (x86) Système d'exploitation Microsoft® Windows® Scanned by antivirus

perfos.dll is a file of the software Système d'exploitation Microsoft® Windows® (“DLL d'objets Performances système Windows”), published by Microsoft Corporation. Version offered here: 5.1.2600.2180, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only perfos.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download perfos.dll .zip file: the DLL + its instructions · downloaded 2,004 times

Version: 5.1.2600.2180
Architecture: 32-bit (x86)
Size: 26.62 KB
Publisher: Microsoft Corporation

Then:

Extract perfos.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 4cbeabd6364f1ae679612badda2b4666259a5abc7626420f2315e018ec1e0e74 · Check on VirusTotal · Product: Système d'exploitation Microsoft® Windows®

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides perfos.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to perfos.dll

The program can't start because perfos.dll is missing.
Error loading perfos.dll. The specified module could not be found.
Failed to load perfos.dll

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