Also: Windows 10 does updates all the time. You only get to control the HOUR and not stop them (or cherry pick) what gets done.
A Calibre Library action is a transaction. Book FILES get added or removed AND the DB gets changed to reflect what is being done. This must happen synchronously. An A/V scan of qa book, might delay the file copy (eg from downloads to the Library) and the DB has been accessed now with a different timing.
|