Is there a way to force Windows 11 to cancel all pending print jobs?

Yes, you can force Windows 11 to cancel all pending print jobs by restarting the Print Spooler service. Open `services.msc`, find 'Print Spooler', right-click and select 'Stop'. Once stopped, navigate to `C:\Windows\System32\spool\PRINTERS` and delete all files within that folder. Then, go back to `services.msc`, right-click 'Print Spooler' again, and select 'Start'.