Taskbar Reset 'link' -
Sometimes the taskbar is visible, but none of the buttons work. This usually means the connection between the UI and the system has been severed. You can "re-register" the taskbar using Windows PowerShell.
Guide: Resetting the Windows Taskbar If your Windows taskbar is frozen, glitched, or you simply want to restore its original appearance, you can use the following methods to reset it. 1. Restart Windows Explorer (Quick Fix) This is the most effective way to "reset" a taskbar that is unresponsive or flickering without changing your settings. Open Task Manager taskbar reset