Safe
Free

defragsvc.dll

x64 Windows System
Verified

This is a Core Windows System File

defragsvc.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
defragsvc.dll
Size
560 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

4fb629e8c6b375003bac16a70c1a7160c5e4f85124d349dd6d636f62b66effee
8ebf95350f851e6c9e3d637848b2d401
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

560 KB | x64

785 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified