Restoring database failed

Mycroft88 · 08-04-2025, 09:54 PM

I made a backup copy of my Library folder, but when I went to open Calibre, it said that it needed to repair the database for some reason. (I use FreeFileSync for the backup)

I didn't fix it. I was able to open Calibre as Administrator, but then I can't add any books.

I tried moving the library to a new folder in Admin mode, but that didn't help.

Attached is the error box from the repair error box. I don't know why it has all those slashes in the directory structure.

DNSB · 08-05-2025, 03:45 AM

I would suggest moving your calibre library out of the Documents folder. One level up in C:\Users\Robert would work.

As for the errno 13, as it says, that is a permissions error. Unless you have been making use of the notes feature, shut down calibre and try deleting the notes.db file from the .calnotes folder in your Calibre library folder.

Mycroft88 · 08-05-2025, 03:56 AM

Deleting notes.db did the trick.

What are the benefits to moving the library from the Documents folder?

DNSB · 08-05-2025, 04:10 AM

Quote:

Originally Posted by Mycroft88

Deleting notes.db did the trick.

What are the benefits to moving the library from the Documents folder?

The Documents folder can get involved in Windows syncing with OneDrive. A two way sync is a great way to get a corrupted library.

Mycroft88 · 08-05-2025, 04:37 AM

Ah. I don't use OneDrive and only do one-way syncs with FreeFileSync, but that's good to know.

DNSB · 08-05-2025, 01:44 PM

You may not be using OneDrive but your computer might be doing so in the background. You can uninstall OneDrive to prevent this.

08-04-2025, 09:54 PM	#1
Mycroft88 Junior Member Posts: 9 Karma: 10 Join Date: Apr 2023 Device: Kindle Oasis	Restoring database failed I made a backup copy of my Library folder, but when I went to open Calibre, it said that it needed to repair the database for some reason. (I use FreeFileSync for the backup) I didn't fix it. I was able to open Calibre as Administrator, but then I can't add any books. I tried moving the library to a new folder in Admin mode, but that didn't help. Attached is the error box from the repair error box. I don't know why it has all those slashes in the directory structure. Attached Thumbnails

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Restoring database failed WIN 11	Rahm	Library Management	1	06-24-2024 09:54 PM
Restoring database failed with error	Rascaltoo	Calibre	3	02-06-2024 09:21 PM
Restoring database failed	jstavene	Library Management	3	02-27-2022 11:03 AM
Restoring Database	Yusufbodrum	Library Management	3	07-31-2015 07:49 PM
Restoring database failed	Lady Domino	Calibre	2	03-23-2012 01:12 PM

08-05-2025, 03:45 AM	#2
DNSB Bibliophagist Posts: 46,534 Karma: 169115146 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	I would suggest moving your calibre library out of the Documents folder. One level up in C:\Users\Robert would work. As for the errno 13, as it says, that is a permissions error. Unless you have been making use of the notes feature, shut down calibre and try deleting the notes.db file from the .calnotes folder in your Calibre library folder.

08-05-2025, 03:56 AM	#3
Mycroft88 Junior Member Posts: 9 Karma: 10 Join Date: Apr 2023 Device: Kindle Oasis	Deleting notes.db did the trick. What are the benefits to moving the library from the Documents folder?

08-05-2025, 04:37 AM	#5
Mycroft88 Junior Member Posts: 9 Karma: 10 Join Date: Apr 2023 Device: Kindle Oasis	Ah. I don't use OneDrive and only do one-way syncs with FreeFileSync, but that's good to know.

08-05-2025, 01:44 PM	#6
DNSB Bibliophagist Posts: 46,534 Karma: 169115146 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	You may not be using OneDrive but your computer might be doing so in the background. You can uninstall OneDrive to prevent this.