QuickBooks Error 3371 Status Code 11118 usually occurs when QuickBooks is unable to load the license data. This can happen due to damaged or missing files like QBregistration.dat or MSXML components. Here's how to fix it:

1. Update Windows: Ensure your Windows operating system is up to date. Missing updates can cause compatibility issues with QuickBooks.

2. Run QuickBooks Tool Hub:

   • Download and install the latest version of QuickBooks Tool Hub.
   • Open the Tool Hub and select the Installation Issues tab.
   • Run the 3371 Error Fix tool.

3. Re-register MSXML Component:

   • Open the Run window by pressing Windows + R.
   • Type cmd and press Enter.
   • Enter the following command: regsvr32 MSXML6.dll and press Enter.

4. Clean Install QuickBooks:

   • Uninstall QuickBooks from the Control Panel.
   • Download the latest version of QuickBooks from the official website.
   • Reinstall QuickBooks and register your license again.

5. Rename the Entitlement File:

   • Open the Run window and type C:\ProgramData\Intuit\Entitlement Client\v8.
   • Find the EntitlementDataStore.ecml file, right-click, and rename it to EntitlementDataStore.ecml.old.
   • Restart QuickBooks and follow the on-screen instructions to re-register.

These steps should help resolve the error and get you back to work quickly. If the issue persists, contacting QuickBooks Support may be necessary.