Safe
Free

catsrv.dll

x64 Windows System
Verified

This is a Core Windows System File

catsrv.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
catsrv.dll
Size
512 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

bf2ccdad2947bb00c5df812af75f8cb14bf011e02be6312b04a9818fc106abfd
c522dc9647a13d80dd0933580732461e
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

512 KB | x64

4,253 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

catsrv.dll
x86