Hi Noemi,
Thanks for reaching out and thank for using Total UpKeep Premium. Sorry to hear you having trouble restoring your backup but we can help you troubleshoot this.
Could you navigate to Total Upkeep<<Tools<<Logs and copy/paste the contents of the .log file for your restoration into your reply on this post? That way we can review the exact error and let you know what needs to be done.
We look forward to hearing from you!