Safe
Free

FirewallAPI.dll

x64 Windows System
Verified

This is a Core Windows System File

FirewallAPI.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
FirewallAPI.dll
Size
640 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

dd97b700b2af25dc2aee0d8476602fb20fedafc192737c14b728b0edc7e17d17
3fad42114ccb6bbc96ccb2e076335f87
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

640 KB | x64

3,765 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

FirewallAPI.dll
x86