The following article is in the process of being transferred
After applying a Microsoft .NET security update, Synergetic Windows application reports "Error updating database" and/or "Photo may be corrupted" when attempting to import photos through System > Photo Maintenance.
Any of the below error messages can relate to the .NET issue, you may also receive a different variation of the same error, but if it mentions corrupted photos or a .NET Framework error it is highly likely that it is the same issue.
How To Resolve:
After the .NETupdate has been applied, the Synergetic CLR binaries need to be re-created. The attached script will resolve the issue, this can be run by Synergetic support or someone from the school's IT department.