Thanks for letting us know. Let me help you get this sorted out to keep your QuickBooks running and so you can get back to your business.
Here are some possible causes of this error:
Outdated Windows operating system or an anti-virus program that quarantines some QuickBooks Desktop files.
A component or file needed by QuickBooks Desktop to run is damaged or missing.
QuickBooks Desktop installation can fail or become damaged once the windows updates are not installed. Let's ensure that your windows is up to date.
Click the Windows logo.
Select All Programs and click Windows Update.
After installing the updates, install QuickBooks.
Now, you'll need to process troubleshooting steps by deleting the EntitlementDataStore.ecml file to resolve this issue. You'll need to Close your QuickBooks Desktop first and ensure that all QuickBooks processes are no longer running.
To delete entitlement file, here's how:
From the keyboard, press Ctrl+Shit+Esc. This opens the Task Manager.
Select the Process tab.
Sort the processes alphabetically by selecting the Process Name header.
Search for all instances of QBW32.EXE and select End Task.
Once done, open the entitlement data folder for your operating system and version of QuickBooks, here's how:
On your keyboard, process Windows+R to open the Run window.
Enter C:\ProgramData\Intuit\Entitlement Client\v8 (or v6) and press Enter. (The folder location is the same for all QuickBooks Desktop and QuickBooks Desktop Enterprise versions.)
Right-click the EntitlementDataStore.ecml file and select Delete.
Select Yes to confirm you want to delete the file.
Open your company file and follow the instructions to register the application.