Safe
Free

mbussdapi.dll

x64 Windows System
Verified

This is a Core Windows System File

mbussdapi.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
mbussdapi.dll
Size
104 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

f997fe405340d61626654841b7694267ae997c7e992f77537b60c6740834a00f
d9bd73ba08d20aaef072d7beb8cb6745
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

104 KB | x64

4,957 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

mbussdapi.dll
x86