When you open Point of Sale, you see or receive the following error message:
The fo possible causes for this message:
Intuit recommends the following solutions for this problem. The first solution may solve your problem, or you may need to try all to resolve the issue. For best results, perform the solutions in the order shown.
Navigate in the left window to the location below that is appropriate to your Point of Sale version and rename the Entitlement folder.
If repairing Point of Sale does not work or resolve your issue, you will need to perform a clean install of POS.