Error code 176109: Invalid Product Code or Invalid Product Number in POS

When attempting to open or register QuickBooks Point of Sale, you see the following error:

Error code176109: Invalid Product Number QuickBooks or Invalid Product Code.

Reasons:

Damaged files in the Point of Sale Entitlement folder.

An incorrect product code has been used to install POS.

Login used on Windows does not have administrator rights.

Resolution:

Solution 1: Delete the contents of the entitlement client folder

1.         Navigate to: C:\Program Data\Intuit\Entitlement Client\v8.

2.         Select all the files in the folder and then delete.

3.         Relaunch QuickBooks Point of Sale for Desktop and re-register the application. If the error persists, try solution 2.

If the issue is not resolved, call 1.844.620.4696 to verify the correct validation code is being used.

Solution 2: Rename the WSActivity file

1.         Navigate to: C:\Program Data\Intuit\QuickBooks Point of Sale XX\Ini

2.         Choose WSActivity and Rename.

3.         Close the window then follow Solution 1 again.

4.         Relaunch QuickBooks Point of Sale for Desktop.

Solution 3: Perform a clean re-install for Point of Sale