QuickBooks Error 3371 is mostly a seen when users go for the registration or activation of QuickBooks. The major sources of this issue include a corrupted EntitlementDataStore.ECML file, damaged QBregistration, Outdated QuickBooks, poor internet connectivity, etc. Read this blog all the way till the end to know the causes and fixes for QuickBooks error code 3371.

2. QuickBooks Error 3371: Causes and Different Solutions to Fix it
QuickBooks Error 3371 is mostly a seen when users go for the registration or activation of
QuickBooks. The major sources of this issue include a corrupted
EntitlementDataStore.ECML file, damaged QBregistration, Outdated QuickBooks, poor
internet connectivity, etc. Read this blog all the way till the end to know the causes and
fixes for QuickBooks error code 3371.

4. Main causes of QuickBooks Error 3371
The primary reasons of this QuickBooks Error include the following:
● Damaged QuickBooks registration files.
● Outdated copy of QuickBooks Desktop.
● Windows components like the MSXML or NET Framework may be
damaged.
● QuickBooks files are corrupted.
● The internet connectivity is poor.

5. Multiple Methods you can perform to rectify QuickBooks
Error code 3371
You should adhere to the below given methods to get this issue rectified.
These methods have been tried and tested by our experts and have been
found effective.

6. Method 1: Delete ECML File
● Press the “Win and R” keys to unveil the Run window.
● In the Run window, enter the following path:
'C:ProgramDataIntuitEntitlementClientv8'
● Press Enter.
● Select the Entitlement DataStore.ECML file and press the delete key to remove
the file.
● After that, Run QuickBooks Desktop as an administrator.
● Now, re-register QuickBooks. Check for the reoccurrence of QuickBooks Error
3371.

10. Method 2: Rename Entitlement File
Renaming the Entitlement file should resolve the issue in most cases. The
steps are:
● Follow the following path - C:/Documents and
Settings/AllUsers/Application/Data/Intuit/Entitlement Clientv2
● Here, search for the Entitlement file and rename it.

12. Step for Windows 7 users
● Head for C:/ProgramData/Intuit/Entitlement/Clientv* directory.
● Get the Entitlement file renamed.
● In case the application data folder is hidden, follow these steps to make it visible:
● Open My Computer.
● Advance to the Organize option.
● Follow up by clicking on Folder and then hitting on the Search option.
● Look for the Hidden Files & Folders option.
● Try re-registering QuickBooks to check if QuickBooks Error 3371 is resolved.

13. Method 3: Update Windows
● Click on the Start button.
● Open the Windows Update feature by searching for “update” and clicking on Windows update
icon.
● Now, click on the Check for updates option.
● Choose all the necessary updates, especially the ones associated with Microsoft components.
● Hit on the Update button to install the selected updates.

14. Method 4: Manual Fix for QuickBooks Error 3371
● Use the QuickBooks Install Diagnostic Tool to repair damaged
Windows components, including MSXML, C++, and Microsoft NET
Framework.
● Run the Reboot.bat file in the QuickBooks directory.

15. Method 5: Try the QuickBooks Fix My Program feature in QB Tool Hub
● QuickBooks Tool Hub is a repository of diversified troubleshooting tools that can be used for
fixing QuickBooks Error 3371. The steps to use it for accessing Quick Fix My Program Feature
are:
● Download and install the QuickBooks Tool Hub.
● Make sure to acquire the tool from the official website of Intuit and desist from using any
third-party websites for downloading the tool.
● Subsequently, run the tool.
● Select the "Quick Fix My Program" option.
● Allow the tool to diagnose and fix any errors.
● Hit on Ok to complete the process.

18. Summing up!
This discussion enumerated all the possible measures to help you get rid of QuickBooks Error
3371. It also provided insights into the different causes behind this error. If you need any technical
help, you should reach out to our experts via the helpline 1-800-761-1787.

19. Source: https://medium.com/@rj933259/how-can-i-troubleshoot-quickbooks-error-code-
c343-d0088b46b626