1. Remove the temporary account. Open the start menu to enter the account interface, and sync your settings. If the interface pops up "You have logged in with a temporary profile. Roaming options are currently unavailable", please restart the computer and synchronize the settings again;
2. Use the search function to find files lost after Windows 11 update. In the "Search" box on the taskbar, enter "File Explorer Options", select the "View" tab, and find Show Hidden Documents in Hidden Records and Folders;
3. Use backup to restore lost files after Windows 11 update. Open Settings and select the "Update and Security" option, select Backup in the taskbar on the left, find the "Backup and Restore" option on the right, and select the previously backed up files to restore.