Browser User Interface Library – BROWSEUI.DLL
Browseui.dll is the Shell Browser UI Library. It comes installed as part of your Windows operating system. This file contains functions and resources for your browser's user interface (the part of the web browser that you can see on screen and interact with via the keyboard or mouse). Removing this file could make Internet Explorer crash and could generate annoying error messages. So we'd recommend leaving this file in place.
The Browserui.dll can be found loaded as a SharedTaskScheduler in the Startup Programs.
Typically, this file is designated at both a "Browerui Preloader" and "Component Categories cache daemon"
and should not be changed.
Safe
Microsoft