What is the reason of QuickBooks Error code 176109?

QuickBooks error 176109 occur because of invalid product code or invalid product number. The meaning of this error is the key authentication files are corrupted or invalid. When you open the files on the software this error shows. You can encounter this error while attempting to open or register QuickBooks desktop point of sale.

Error Code 176109: Invalid Product Code or Invalid Product Number

Reason:

• Maybe You Point of Sale Entitlement folder contains corrupted files.
• Not using correct product code during installation of QuickBooks Point of Sale for Desktop.
• Maybe user not logged in to Windows as an administrator

To fix this issue follow given solutions:

Solution 1: Delete the contents of the entitlement client folder.

Solution 2: Rename the WS Activity file.

Solution 3: Perform clean install of QuickBooks point of sale.

1. First, uninstall QuickBooks point of sale.
2. Now, rename all the point of sale folders.
3. Then, re-install the point of sale.
4. Now, restore the company file.

If you want more information about this error visit What is QuickBooks Point Of Sale Invalid Product Number?