safe file


Windows Media MPEG-4 S Video Decoder

Check your PC for invalid registry entries related to mp4sdecd.dll and other speed issues.

mp4sdecd.dll. What is it?

The mp4sdecd.dll is a Windows Media MPEG-4 S Video Decoder.

This file is part of Microsoft® Windows® Operating System. Mp4sdecd.dll is developed by Microsoft Corporation. It’s a system and hidden file. Mp4sdecd.dll is usually located in the %SYSTEM% folder and its usual size is 317,952 bytes.


The mp4sdecd.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

We also recommend optimizing your computer.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Windows Media MPEG-4 S Video DecoderPart Of: Microsoft® Windows® Operating SystemCommon path(s): %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 317,952 bytes, 417,280 bytes, 317,440 bytes, 415,744 bytes, 437,248 bytes

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