Safe
Free

aadauthhelper.dll

x86 Windows System
Verified

This is a Core Windows System File

aadauthhelper.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
aadauthhelper.dll
Size
344.5 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

a3230269761c732483266fc1312752f8d543f204553904e8b10b2e4e4212a15c
71b59a33480131a3566f32b72e2a52fd
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

344.5 KB | x86

1,360 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified