Safe
Free

dxdiagn.dll

x64 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
436 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

ae1d6fb31d509d24ac2907abd0a178058b7f078deec1f06b32b2f28e4fc57b2f
7961c888c2e741b6fc0e69ea7fbc079d
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

436 KB | x64

4,894 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

dxdiagn.dll
x86