Quote:
Originally Posted by kovidgoyal
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Thank you for the quick answer, i tested a lot of the proposals and at least:
I downgraded Calibre to 8.55. After a restart a book was missing. That one was a simple .txt with notes, and i changed the .txt of the file with notepad!.
Now i changed the .txt book to an epub, and imported it, calibre was running for several minutes in a first test without any crash. Normally i change books with Sigil!
May be, that "broken .txt book" was the reason?
Klaus