When you try to create a backup, you see one of the following errors:
This error may occur if:
Intuit recommends several solutions for this problem. The first solution may solve your problem, or you may need to try them all to resolve the issue. For best results, perform the solutions in the order shown
Update to the Latest Release for your version.
Save the backup to a local drive (such as the C:\ drive), and then copy the backup to the external drive.
Create a Portable Company File and restore it to a new company file name.
If these solutions don't resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free. You can contact an agent for additional guidance. Fees may apply.