Quote:
Originally Posted by kovidgoyal
When you delete books from calibre, they are renamed into a temp folder. Then that temp folder is deleted in the background. If something on your computer locks files in the temp folder, the delete will fail. Most likely a file sync service like dropbox.
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that makes some sense, I probably did delete a book or two on that date.
but that's all, & no PC crashes. & I don't fully quit calibre I just close it to system tray so it should always be able to complete any clean up operations.
The only syncing i do is one-way
from calibre library
to other backup locations ( including a dropbox folder) using free file sync. The sync program willignore a folder like this which is NOT inside of the calibre library folders, but is outside of those, within My Documents. FFS only uses the calibre library folder as its source.
I'll regard it as one off unexplained glitch I think & just delete the empty folder.