Windows 10 Taskbar is infinity loading

Run the Start menu troubleshooter:

http://aka.ms/diag_StartMenu

If that does not work:

Press Windows key + X
Click Task Manager
Select the Processes tab
Scroll down to Windows Explorer then select it
Click Restart

If that does not work:

uninstall your display driver:

Press Windows key + X
Click Device Manager
Expand Display adapters
Right click the current display adapter
Click Uninstall
Exit Device Manager
Restart