usbui.dll is a process belonging to the Windows program . usbui.dll is a module that contains application programming interface (API) functions to manage the Universal Serial Bus User Interface.
Check that usbui.dll is stable on your computer.

usbui.dll should not be disabled, required for essential applications to work properly. It is highly recommended to run a FREE performance scan to automatically optimize memory, CPU and Internet settings.

Determining whether usbui.dll is a virus or a legitimate Windows DLL depends on the directory location it executes or runs from. Click to Scan your PC including usbui.dll to Detect any Security Threat.