Safe
Free

mmcshext.dll

x64 Windows System
Verified

This is a Core Windows System File

mmcshext.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
mmcshext.dll
Size
148 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

0876c64caa54f1160dbfe3da256de4d55857aad7ca4491c370943e60e88119a4
e4c0d0320f8e713580bcae09d0078799
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

148 KB | x64

230 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

mmcshext.dll
x86