Safe
Free

winmm.dll

x86 Windows System
Verified

This is a Core Windows System File

winmm.dll is a critical Windows component. If it's missing or corrupted, you should repair Windows rather than replace the file manually.

Recommended: Run System File Checker

sfc /scannow

Open Command Prompt as Administrator and run this command.

Why You Shouldn't Just Download the DLL

  • DLLs depend on other DLLs - copying one file won't fix the chain
  • Runtime packages register components in Windows correctly
  • Version mismatches can cause more problems
  • The official installer handles all of this automatically

Compatibility

Windows Server 2022 Windows Server 2019 Windows Server 2016

File Details

Name
winmm.dll
Size
144.8 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

8efb5c9539bbc630e566d8e9a311bc8768e253216a210f651e86e2c8923cfc3f
8cf076ac1d139160552a47c8ed2e7d0c
ADVANCED

Manual DLL Download

Only if installer doesn't work

This is a last resort. Try the official installer first.
Download ZIP

144.8 KB | x86

739 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/SysWOW64/
  3. 3 If needed: regsvr32 winmm.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

winmm.dll
x64