Safe
Free

CoreMas.dll

x86 Windows System
Verified

This is a Core Windows System File

CoreMas.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
CoreMas.dll
Size
228.5 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

62b792e8840d41cc8eafb77c4294aec5c878830e5c6cc0b8ef73f21bbee4b297
d7452c86f2ca40e59a0e8725af25f7ac
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

228.5 KB | x86

1,665 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

CoreMas.dll
x64