Error 3371 on QuickBooks indicates a problem with the license data. You can refer to the steps below to see how you can solve QuickBooks error 3371:
•Step 1: Open the Run windows on your computer using the ‘Windows’ key
•Step 2: Open the ‘C’ drive and go to ‘Program Data’
•Step 3: Select the ‘Intuit’ folder and find the location of ‘Entitlement Client’
•Step 4: Search for the ‘EntitlementDataStore.ecml’ file and delete it.
•Step 5: Re-run QuickBooks and register the product again
You can call the QuickBooks toll-free number if you need additional assistance in order to implement the steps mentioned above.