If you're missing content or book covers on the Kobo Desktop app, you can repair your account.

Repairing your account will re-download any missing books or covers on the Kobo Desktop app.

To repair your Kobo Desktop app account:

1. Open the Kobo Desktop app.
2. Click theProfile icon at the top of the screen.
3. Click Repair Kobo Account.
4. Click Repair now.

Learn more 

• About the Kobo Desktop app