You may see the following error while restoring a backup from a flash drive, or other removal storage device, to a local computer: (-6123, 0).
Important: If you are getting this error when opening your company file or working in QuickBooks Desktop, please see this article instead of this one.
This issue can occur for the following reasons:
Intuit recommends 4 solutions for this problem. The first solution may solve your problem, or you may need to try them all. For best results, perform the solutions in order.