Safe
Free

pku2u.dll

x64 Windows System
Verified

This is a Core Windows System File

pku2u.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
pku2u.dll
Size
340 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

5f4e778f744ea0bc7e1fd254e7926f5c5b70c4be1f318ea540fe90067d0c7430
441e118b9eccac36358040825fb0550a
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

340 KB | x64

4,632 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 pku2u.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

pku2u.dll
x86