Safe
Free

secur32.dll

x64 Windows System
Verified

This is a Core Windows System File

secur32.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
secur32.dll
Size
48 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

30041b983bf243d472c43c297894cc73e6394dd6c9223c94249f5995e5d8671b
0d18b08737cf5975bdd45c77c867508d
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

48 KB | x64

605 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 secur32.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

secur32.dll
x86