Windows.Security.Authentication.Web.Core.dll

x64 Windows System

Verified

This is a Core Windows System File

Windows.Security.Authentication.Web.Core.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: Windows.Security.Authentication.Web.Core.dll
Size: 1.2 MB
Version: 10.0.20348
Architecture: x64
Source: Windows system
Part of: Windows System

Hash Verification

SHA-256 d54fa70baf078b299c87f003ce70c2b29c259188065f94c3a758ac6ba6b4e6a5

MD5 1b1c59e28bd2a94cb88ac81852593516

ADVANCED

Manual DLL Download

Only if installer doesn't work

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

Download ZIP

1.2 MB | x64

3,923 downloads

Manual Installation Steps

1 Extract the ZIP file
2 Copy to C:/Windows/System32/
3 If needed: regsvr32 Windows.Security.Authentication.Web.Core.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

Windows.Security.Authentication.Web.Core.dll

x86