One of the most common errors when using QuickBooks is the Computer Unrecoverable Error. This can happen because of many different reasons and usually means that there was a system failure. The error can be caused by your QuickBooks software not being updated to the latest version, too many programs running at the same time, or a virus.

Quickbooks License Error: How Can I Fix It?

Step 1 - Delete the Entitlement File

Step 2 - Update the Operating System 

Step 3 - Disable the Antivirus

Step 4 - Run the QuickBooks Install Diagnostic Tool