irclass.dll: download the file and fix the error

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

irclass.dll is a file of the software Système d'exploitation Microsoft® Windows® (“Co-installateur de classe Infrarouge”), published by Microsoft Corporation. Version offered here: 5.1.2600.0, 32-bit.

Programs that need it refuse to start, or show an error, when it is missing or damaged. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only irclass.dll

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

⇓ Download irclass.dll .zip file: the DLL + its instructions · downloaded 2,108 times

Version: 5.1.2600.0
Architecture: 32-bit (x86)
Size: 13.31 KB
Publisher: Microsoft Corporation

Then:

Extract irclass.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: 33ba77a58a24f7daf7a1f5ca7b531c984d118a1117b4489ccc0083408150acda · 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 irclass.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 irclass.dll

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

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