If this service is stopped then it could cause the taskbar to freeze.
The User Manager provides the runtime components required for multi-user interaction.
If this utility finds any files that have the wrong versions or are corrupted then it replaces them with the correct, verified ones. The System File Checker scans critical system files and verifies their versions. Right click on the Windows Explorer process then click restart.This is usually the first tab on top of the Task Manager window. This is located on the lower left side of the Task Manager window.
This is located on the lower left side of the screen.
