Since upgrading to Big Sur the Notification Center hangs and slows down the whole machine whenever I invoke it (click the clock – stupid action BTW). I have to open Activity Monitor and force-quit the notification center. It seems there is probably a hanging widget; but I don’t know how to get to the controls to turn off widgets without opening the notification – which immediately starts the hang – which has to be force quit – and so on.
Is there a preference or configuration file that controls which widgets appear in the notification center? Something I can delete and remove the current Notification Center configuration?
SOLVED: Safe boot let me get into Notification Center and remove all widgets. Seems to have resolved the hanging.