Safe
Free

pnpdiag.dll

x64 Windows System
Verified

This is a Core Windows System File

pnpdiag.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
pnpdiag.dll
Size
288 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

f05381ca64c29992a514fe1adadeaf5caecaa85a80aa6e0647772b1130eaeeaf
7c6cd50b706713cffbe56b5394465106
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

288 KB | x64

4,438 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified