Quote:
Originally Posted by wamsaya
No, none of these. It happens with all books, all the time, ....
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the the entire library folder could be locked. ( maybe due to a previous PC crash) google free utilities like unlocker & see what they find. AND/OR copy the whole calibre library to a new location then try switch library & open from there.
test 2. download & import a free public domain book and try opening that in calibre - don't use any other program with that new book, for a clean test....