Safe
Free

dxdiagn.dll

x86 Windows System
Verified

This is a Core Windows System File

dxdiagn.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
dxdiagn.dll
Size
349.5 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

3deea3c575c4874cbf7bcbb3c544e91fe3bebd726fd6b41624473b9477c7d5c3
907db73bc5441716982b73720aa0fdd9
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

349.5 KB | x86

3,263 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

dxdiagn.dll
x64