Sometimes it takes a lot of time to understand what the issue with your backup is and what has caused it. This is when diagnostic log helps dramatically. With MSP360 Backup, you can easily send us the diagnostic information.
How to Send Diagnostic Information with MSP360 Backup
1. Run MSP360 Backup, go to Tools| Diagnostics.
2. In the "Diagnostic" dialog, specify your name, email address, and problem description. Then hit Send to Support.