Safe
Free

localsec.dll

x64 Windows System
Verified

This is a Core Windows System File

localsec.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
localsec.dll
Size
504 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

4cb331e8150b9decd36d4736d1036ca02bde86833d52172e5f8b269f548092d3
29265bd9ff13057316cdf37ddbd42665
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

504 KB | x64

4,984 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

localsec.dll
x86