MultiOS.dll: download the file and fix the error

32-bit (x86) America Online Scanned by antivirus

MultiOS.dll is a file of the software America Online (“AOL ACS WanAtw Installer”), published by America Online, Inc.. Version offered here: 2.0.20.1.US.1, 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 MultiOS.dll

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

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

Version: 2.0.20.1.US.1
Architecture: 32-bit (x86)
Size: 73.73 KB
Publisher: America Online, Inc.

Then:

Extract MultiOS.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: 63f3aaaabea41acc9d0854c147f04e989ef9c9062fdaf52a62fdeb7f5c821c33 · Check on VirusTotal · Product: America Online

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides MultiOS.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 MultiOS.dll

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

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