|  08-16-2017, 02:08 AM | #1 | 
| Junior Member  Posts: 7 Karma: 10 Join Date: Feb 2014 Location: Idaho Device: Win 10 Laptop S7 Phone |  Restoring Database Issue 
			
			After Upgrading Calibre it said my database (3000+ books) was corrupted.  It has been restoring since Saturday (4 Days)  My computer is working away.  I have a backup that I tried and it gave the same corrupt message and wanted to restore.  Using 32% of my CPU and 3.5 MB of Memory Laptop Spec AMD A8-4500M 8GB Memory Windows 10 64-Bit | 
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|  08-16-2017, 02:13 AM | #2 | 
| Well trained by Cats            Posts: 31,250 Karma: 61360164 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A | 
			
			are you using the restore database option on the Library icon?   Or did you try and re-add books ?  Worse you pointed to the (same) old library    (creating a circular path) | 
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|  08-16-2017, 03:19 AM | #3 | 
| Junior Member  Posts: 7 Karma: 10 Join Date: Feb 2014 Location: Idaho Device: Win 10 Laptop S7 Phone | 
			
			When Calibre starts it gives me the option of restore database or start a new database.  I chose restore.
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|  08-16-2017, 07:20 AM | #4 | 
| creator of calibre            Posts: 45,604 Karma: 28548974 Join Date: Oct 2006 Location: Mumbai, India Device: Various | 
			
			It shouldn't take more than a few minutes to restore 3000 books. It's likely something is interfering or the disk the library is on is failing.  You can always re-add the books which will preserve all metadata by creating a new library then right clicking the add books button, choosing add books from sub-folders, one book per fodler and selecting the previous library fodler. | 
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