Quickbooks error c=3371 +44-292-128-0336

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QuickBooks is a powerful accounting software, but users may encounter errors from time to time. One common error is C=3371, which typically occurs when there are issues with the software’s licensing information. This guide will walk you through the steps to resolve QuickBooks Error C=3371 +44-292-128-0336 and get your accounting software back on track.

Understanding QuickBooks Error C=3371:

QuickBooks Error C=3371 is often accompanied by the following message: “Could not initialize license properties.” This error occurs when the software is unable to load the license data, preventing you from accessing QuickBooks.

Steps to Resolve QuickBooks Error C=3371:

  1. Close QuickBooks: Ensure QuickBooks is closed on your system before attempting any troubleshooting steps.
  2. Update Windows: Make sure your Windows operating system is up-to-date. Install any pending updates and restart your computer.
  3. Rename EntitlementDataStore.ecml file:
    • Navigate to the following directory: C:\ProgramData\Intuit\Entitlement Client\v8 (or the appropriate version).
    • Locate the “EntitlementDataStore.ecml” file and rename it to “EntitlementDataStore.ecml.old.”
    • Try opening QuickBooks again.
  4. Run QuickBooks Install Diagnostic Tool:
    • Download and run the QuickBooks Install Diagnostic Tool from the official Intuit website.
    • Follow the on-screen instructions to diagnose and fix installation issues.
  5. Update QuickBooks:
    • Ensure you are using the latest version of QuickBooks.
    • Go to the Help menu and select “Update QuickBooks.”
    • Follow the prompts to install any available updates.
  6. Recreate damaged or missing Entitlement file:
    • Open the Run dialog by pressing Windows + R.
    • Type “%ProgramData%” and press Enter.
    • Navigate to Intuit > Entitlement Client > v8.
    • Locate and delete the “EntitlementDataStore.ecml” file.
    • Run QuickBooks and re-register the product.
  7. Reinstall QuickBooks:
    • Uninstall QuickBooks from your computer.
    • Download the latest version of QuickBooks from the official Intuit website.
    • Install QuickBooks and register your product.
  8. Seek Professional Assistance:
    • If the issue persists, consider reaching out to QuickBooks support or a qualified IT professional for further assistance.


Resolving QuickBooks Error C=3371 may require a combination of these steps. It’s crucial to follow each step carefully and in the recommended order. By doing so, you increase the likelihood of successfully resolving the error and getting your QuickBooks software back to optimal functionality. If you encounter difficulties, don’t hesitate to seek assistance from QuickBooks support or a certified professional to ensure a smooth resolution.

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