osuninst.dll: download the file and fix the error

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

osuninst.dll is a file of the software Système d'exploitation Microsoft® Windows® (“Interface de désinstallation”), published by Microsoft Corporation. Version offered here: 5.1.2600.2180, 32-bit.

An error message appears when the program concerned starts if this file is missing, deleted or corrupted. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only osuninst.dll

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

⇓ Download osuninst.dll .zip file: the DLL + its instructions · downloaded 2,248 times

Version: 5.1.2600.2180
Architecture: 32-bit (x86)
Size: 68.1 KB
Publisher: Microsoft Corporation

Then:

Extract osuninst.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: 8c1300ffe5a4803848a0b9c10f0f4e6aa73cc8afb61ef0f31714b9059f12305c · 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 osuninst.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 osuninst.dll

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

Nearby DLL files

ossupport.dll ost.dll ostagen.dll ostyle13.dll ot602as.dll otdll50.dll otkloadr.dll otlk00.dll