iac97u4.dll: download the file and fix the error

32-bit (x86) C-Media AC'97 Audio Driver for NT4.0 Scanned by antivirus

iac97u4.dll is a file of the software C-Media AC'97 Audio Driver for NT4.0 (“User Mode Audio Driver”), published by C-Media Corporation. Version offered here: 4.10.00.002Da, 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 iac97u4.dll

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

⇓ Download iac97u4.dll .zip file: the DLL + its instructions · downloaded 2,161 times

Version: 4.10.00.002Da
Architecture: 32-bit (x86)
Size: 50.42 KB
Publisher: C-Media Corporation

Then:

Extract iac97u4.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: 21ab66a6be8efac3a1ea02d2aac8c268c350a8cf37d8560ee08387270059bc3c · Check on VirusTotal · Product: C-Media AC'97 Audio Driver for NT4.0

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides iac97u4.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 iac97u4.dll

The program can't start because iac97u4.dll is missing.
Error loading iac97u4.dll. The specified module could not be found.
Failed to load iac97u4.dll

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