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Follow these troubleshooting guide if Windows Taskbar icons or buttons not working. You will have to restart explorer or run these commands.
The Windows 11 Start menu not working can have many reasons. Hence, we have an extensive list of fixes. One of them will work for you.
Right-clicking the Start button and Taskbar in Windows 11/10 displays different options. However, in Windows 11, you will see only a few options when you right-click on the Taskbar.
Microsoft also fixes a ton of bugs in Taskbar, Start menu, and Search, but it has a growing list of known issues affecting Windows 11.
As for the start button not working, this can be due either to a Windows corruption or an issue with Windows Explorer, which oversees the taskbar commands.