actmutant.dll: download the file and fix the error

32-bit (x86) Scanned by antivirus

actmutant.dll is a dynamic link library (DLL) used by some Windows programs. Version offered here: 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 actmutant.dll

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

⇓ Download actmutant.dll .zip file: the DLL + its instructions · downloaded 2,506 times

Architecture: 32-bit (x86)
Size: 106.5 KB

Then:

Extract actmutant.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: b949d9d2fc7e13e209e66f6da6fca3d4ecedde99edffc6453f199923b29d49e9 · Check on VirusTotal

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides actmutant.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 actmutant.dll

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

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