Safe
Free

Windows.Security.Authentication.Web.Core.dll

x86 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
992.5 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

8bbdbb8fc9a009ab82902d799cdc7b480afd064c80798d01bee080cd3c6bbe7a
3a3ee3dc0cd7000d5a261b8b2c8a4e4c
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

992.5 KB | x86

482 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified