Resolving "File is not a valid LiteDB database format" Error

If you encounter an error similar to the following:

LiteDB.LiteException: File is not a valid LiteDB database format or contains an invalid password.

This typically occurs when upgrading from version 2.1 to 2.2 or 2.3.

Steps to Resolve

1. Navigate to the folder:

   C:\ProgramData\Fungusware\Xackup

2. Confirm you have a recent backup-xackup-jobs.json file in this folder.
3. Shut down Xackup.
4. Rename xackup-jobs.db to xackup-jobs.xxx.
5. Start Xackup.
6. If no errors appear, go to the File menu and select Restore Jobs Database. This will import the most recent jobs backup.