The resolve the <a href="https://www.quickbooksphonenumber.com/blog/fix-quickbooks-error-3371-when-open-company-file/">Quickbooks error 3371</a>, can you please consider to update your windows to the latest version. To proceed, you need to click the start button and then click all programs, and after that, select Windows update, now verify for the errors 3371 after restarting your computer. If you are still receiving QB Error 3371, then you will have to recreate the corrupted Entitlement DataStore.ecml file for resolving the registration and license issues. Additionally, you can try to reinstall the QB software using a clean install to fix the QuickBooks Error 3371 problem.