safe file


Program Compatibility Assistant User Interface Module

pcaui.dll. What is it?

The pcaui.dll is a Program Compatibility Assistant User Interface Module.

This file is part of Microsoft® Windows® Operating System. Pcaui.dll is developed by Microsoft Corporation. It’s a system and hidden file. Pcaui.dll is usually located in the %SYSTEM% folder and its usual size is 84,480 bytes.


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


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: Program Compatibility Assistant User Interface ModulePart Of: Microsoft® Windows® Operating SystemCommon path(s): %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 84,480 bytes, 464,384 bytes, 87,040 bytes, 46,080 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