Safe
Free

efsadu.dll

x64 Windows System
Verified

This is a Core Windows System File

efsadu.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
efsadu.dll
Size
148 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

044c4b6aae532980c262c34cc0327532013f007c5c32c3a018ce21ab2f93899c
5e39ef46edfb278053f1c5d47689a7c6
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

148 KB | x64

3,191 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 efsadu.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

efsadu.dll
x86