Safe
Free

SDFHost.dll

x64 Windows System
Verified

This is a Core Windows System File

SDFHost.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
SDFHost.dll
Size
56.86 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

493cbd34b2e921a51a77c8f674ca520f835912bd56faf17ad9772199b5a707b5
32c6bd177261f4dd4e49aaa7d0ba1784
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

56.86 KB | x64

4,660 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified