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If it is an old library, then the formats might be updated by checking the actual book files every time calibre is started. That would cause serious lag when starting, especially if sorting on the formats.
Easy to check and fix. Just delete the formats column. Easy to add back later if needed.
When you have problems with calibre, it usually is a good idea to upgrade and see if the problems have been fixed in newer versions. New versions of calibre usually improve the quality of the program. That is not true for all software...
Last edited by Adoby; 12-17-2013 at 05:22 AM.
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