aswCmnOS.dll: download the file and fix the error

32-bit (x86) avast! Antivirus Scanned by antivirus

aswCmnOS.dll is a file of the software avast! Antivirus (“Antivirus HW dependent library”), published by AVAST Software. Version offered here: 7.0.1426.0, 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 aswCmnOS.dll

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

⇓ Download aswCmnOS.dll .zip file: the DLL + its instructions · downloaded 2,824 times

Version: 7.0.1426.0
Architecture: 32-bit (x86)
Size: 98.86 KB
Publisher: AVAST Software

Then:

Extract aswCmnOS.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: 8f9f4065c79b63f496368b2108a0437f005eb9f1925d9345efddb342ca2c0466 · Check on VirusTotal · Product: avast! Antivirus

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides aswCmnOS.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 aswCmnOS.dll

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

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