winntbbu.dll: download the file and fix the error

32-bit (x86) Système d'exploitation Microsoft® Windows® Scanned by antivirus

winntbbu.dll is a file of the software Système d'exploitation Microsoft® Windows® (“DLL des écrans d'installation de Windows”), published by Microsoft Corporation. Version offered here: 5.1.2600.2180, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only winntbbu.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download winntbbu.dll .zip file: the DLL + its instructions · downloaded 2,412 times

Version: 5.1.2600.2180
Architecture: 32-bit (x86)
Size: 773.63 KB
Publisher: Microsoft Corporation

Then:

Extract winntbbu.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 3906539aad3555a361bb2a1f6ce7b0b2e880c1266d78f0a7bbb6ae3aeb12eb09 · Check on VirusTotal · Product: Système d'exploitation Microsoft® Windows®

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides winntbbu.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to winntbbu.dll

The program can't start because winntbbu.dll is missing.
Error loading winntbbu.dll. The specified module could not be found.
Failed to load winntbbu.dll

Nearby DLL files

winnlsres.dll winnsi.dll winnt32a.dll winnt32u.dll winpix2.dll winplay.dll winpppoe.dll winprint.dll