Family.Authentication.dll

x64 Windows System

Verified

This is a Core Windows System File

Family.Authentication.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: Family.Authentication.dll
Size: 128 KB
Version: 10.0.20348
Architecture: x64
Source: Windows system
Part of: Windows System

Hash Verification

SHA-256 0eff04ba6e51b881f782e859cb4d56270c08433a92e23dee09bfa6202147ddce

MD5 4343f2c83ed3493363689b8477054b0f

ADVANCED

Manual DLL Download

Only if installer doesn't work

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

Download ZIP

128 KB | x64

4,898 downloads

Manual Installation Steps

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

Official Microsoft source

Malware scanned

SHA-256 verified