MobileRead Forums - View Single Post - Calibre not shutting down completely when clicking on "X"

tomsem · 04-01-2026, 02:13 PM

(on Windows) I had a long running instance of calibre (since 9.6 update) and it seemed to be running slowly. After quitting it would not start up (don't remember error box).

Task Manager showed 'calibre worker process' still running. Killed that, and calibre started up and running normally.

04-01-2026, 02:13 PM	#38
tomsem Grand Sorcerer Posts: 7,186 Karma: 28000007 Join Date: Apr 2009 Location: USA Device: iPad Mini, Kindle Scribe Colorsoft	(on Windows) I had a long running instance of calibre (since 9.6 update) and it seemed to be running slowly. After quitting it would not start up (don't remember error box). Task Manager showed 'calibre worker process' still running. Killed that, and calibre started up and running normally. Last edited by tomsem; 04-01-2026 at 02:15 PM.