rtmcodecs.dll: download the file and fix the error

64-bit (x64) Skype for Business Scanned by antivirus

rtmcodecs.dll is a file of the software Skype for Business (“Microsoft Real Time Media Codec Library”), published by Microsoft Corporation. Version offered here: 6.0.8959.193, 64-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 rtmcodecs.dll

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

⇓ Download rtmcodecs.dll .zip file: the DLL + its instructions · downloaded 1,995 times

Version: 6.0.8959.193
Architecture: 64-bit (x64)
Size: 1.42 MB
Publisher: Microsoft Corporation

Then:

Extract rtmcodecs.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? Also copy it to C:\Windows\System32 (64-bit Windows only), then restart.

64-bit version: it does not work with a 32-bit program. In that case, use method 2.

SHA-256: 400e65255bb7397e154edc959bce79b422999a60c940feda47701b1db6fdd62b · Check on VirusTotal · Product: Skype for Business

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides rtmcodecs.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 rtmcodecs.dll

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

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