safe file


Plug and Play User Interface DLL

Check your PC for pnpui.dll related errors!

pnpui.dll. What is it?

The pnpui.dll is a Plug and Play User Interface DLL.

This file is part of Microsoft® Windows® Operating System. Pnpui.dll is developed by Microsoft Corporation. It’s a system and hidden file. Pnpui.dll is usually located in the %SYSTEM% folder and its usual size is 379,904 bytes.


The pnpui.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

We also recommend optimizing your computer.

Computer Speed Up

Select your operating system

General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Plug and Play User Interface DLLPart Of: Microsoft® Windows® Operating SystemCommon path(s): %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 379,904 bytes, 542,208 bytes, 28,672 bytes

User opinions

Add your comment

No comments found

Add your comment
Your name:
Your rating:
unrated file
Characters Type the characters you see in the picture:
Show another picture

Scan Your Computer Now