Here is a permanent and a quick fix for the recent bug which hides or freezes the taskbar and start menu from Windows 11 and renders them to not work properly.
CMD Command: reg delete HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\IrisService /f && shutdown -r -t 0
Timestamps:
0:00 - Explanation
0:08 - Permanent Fix
0:27 - Temporary Fix