Safe
Free

pcaui.dll

x86 Windows System
Verified

This is a Core Windows System File

pcaui.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
pcaui.dll
Size
78 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

3b1d8f7794c3ded9f5d015a9c440a230c39d176e4e74d11eb9f764b847fa0cc3
0e833b1299970481f271981d2904a31a
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

78 KB | x86

1,862 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

pcaui.dll
x64