Safe
Free

winmmbase.dll

x64 Windows System
Verified

This is a Core Windows System File

winmmbase.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
winmmbase.dll
Size
161.74 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

6ad2df218a02898831c77b82102dbb821b5d5434b3afdfd1330140f0c48bb402
b65cb2af1da4c8df41f40789097754b8
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

161.74 KB | x64

3,529 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 winmmbase.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

winmmbase.dll
x86