Quote:
Originally Posted by davidfor
Also, make sure you don't have the Kobo desktop application running at the same time. That would probably lock the database file and might cause this error.
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It could also be the instability some Kobo's have where they drop off the USB bus when Calibre updates the database; my Aura HD does that so often that I have given up connecting it to Calibre directly.
@OP: can you still access your Kobo from outside Calibre after this error? If so, it isn't that problem.