impossible de demarrer Zoreto (pb de maj)

Depuis hier impossible de démarrer Zotero. J'ai un msg m'erreur comme quoi il veut télécharger un nouvelle version. Si je dis d'accord, ça travaille, ça cherche, puis ça finit par planter. L'accès à Zotero m'est donc impossible.
J'ai évidemment relancé l'ordi, fait de meme avec l'acces internet, mais rein n'y fait
Comment régler ce pb devant lequel je suis démuni.
J'ai fait une copie d'écran, mais je n'arrive pas à la joindre. Merci pour votre aide.
Cordialement; GG
  • What's the actual error message?

    You can upload a screenshot somewhere (e.g., Dropbox or Google Drive) and provide a link here.

    But the easiest fix is likely just to redownload Zotero from the download page.
  • Hello
    I tried to reload, with success, but running first time, the error is still there (as an ednless loop). I have 4 screen copies I can send you by mail if possible. No access to Zotero is for me an important pb.
    Thank to do you best to correct. Gérald
  • You can email the screenshots to with a link to this thread.
  • Screenshot has been sent.
  • You're getting a "disk I/O error" when Zotero starts up. That's not about upgrading — it means that something is preventing Zotero from accessing its database. If you have your Zotero data directory on an external drive or network share or in a cloud storage folder, you should move it back to its default location. This could also be due to security software on your system, or it could be a genuine problem with your filesystem that you need to fix with disk utility software.
  • Hello
    We spent about 1 hour trying to find the probem, reinstalling Zotero in admin and so on, without success. We check the internal disk where my data are located (146 Go). My colleague admin of the system started Zotero in debug mode and here is attached a screen shot (private adress), showing the access to the disk where my data are is possible.
    Do you have an idea, a solution to propose and to fix the pb ?
    Best. GG
  • It looks like you have your database in a custom location on a secondary disk. You should move it back to the default location on your C: drive. I can't tell you what's wrong with your disk, filesystem, or OS, but that's why you're getting this error.
  • Hello
    I have just sent you a message, with screen shot. In my opinion, the pb is due to a corrupted file zotero.sqlite that cannot be copied in a backup folder. All explanations are in the message private. The main question is : is it possible to regenerate this file with the contents of the database in disk ?
    Best. GG
  • (Note that all non-private information about your issue needs to be posted here for people to help you. The email address above is solely for sending screenshots and information that can't be shared publicly.)

    As I said, this is a problem on your computer, not in Zotero. You're getting an error simply trying to copy the zotero.sqlite file — which is your Zotero database — outside of Zotero, so this really couldn't be more clear. The usual cause of this is the external drive getting unmounted while a program is still accessing a file (in this case, Zotero accessing its database).

    To be clear, this has nothing whatsoever to do with either upgrading Zotero or your storage subscription. Zotero can't cause a file on your disk to become unreadable by the system.

    See Restoring Your Data From a Backup for more information on that. Since this is just about the zotero.sqlite file, you can restore only that file and sync down any recent changes. Attachment files in 'storage' won't be affected.
  • Thanks, just copying the bak file in sqlite solve the problem.

    But now I have another : how to restore the 130 filesd I added in zotero since the bak file has been generated ?
    I have checked, 130 new folders and associated files has been added in the storage folder after the bak file generation. They are not known in the lists of items and associated files.

    What is the best solution :
    1- add them again ? but in such case, I have 130 folders with never used data. Perhaps juste suppress them from the storage folder ? Can I do this without damages ?
    2- does it exist a way to take theses files into account ?

    Best regards. Gérald
  • As I say, you can just sync, assuming you were syncing before. From the documentation:
    Note that, if you were using Zotero syncing, any changes you made to your library since the backup and subsequently synced to your online library will be applied to your restored database as soon as you sync.
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