Safe
Free

mbussdapi.dll

x86 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
68 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

d9089a1106f8988bdc075c090fcf600c6c0335265af6b4d10087aabdb100a75d
be2b1e1edb1d1f3db2893b575cc3764a
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

68 KB | x86

4,034 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/SysWOW64/
  3. 3 If needed: regsvr32 mbussdapi.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

mbussdapi.dll
x64