How to Fix Invalid Product Number Error in Quickbooks?

QuickBooks is a strong and effective accounting software that enables users to conduct difficult accounting activities with ease. This accounting software increases the productivity of small and medium-sized organizations' accounting departments (SMBs). However, while using QuickBooks, you may encounter issues that obstruct your accounting operations. QuickBooks Problem 176109 is a typical error that you may encounter. When attempting to open or register QB Desktop Point of Sale software, you may see this issue.

Reasons for Quickbooks Invalid Product Number Error in Quickbooks

QuickBooks Point of Sale incorrect product number or QuickBooks Point of Sale invalid product code errors can occur for a variety of reasons. The key reasons are as follows:

• The QB Point of Sale Entitlement folder contains corrupted files.
• The product code for QuickBooks point of sale installation is wrong.
• In Windows, the user is not logged in as an administrator.

Solutions to Fix  Invalid Product Number Error in Quickbooks

Solution 1- Navigate to the WSActivity file and rename it

• Type C:\Program Data \Intuit\Enter QuickBooks Point of Sale XX\Ini in the address bar on Windows Explorer.
• Right-click on the WSActivity file and select Properties.
• Select Rename.
• As the new name, enter OLDWSActivity.
• To save the file with the new name, press the Enter key.
• Close the window now.
• After closing the window, erase the entitlement once more.
• Restart the QB Point of Sale application.
• Examine QuickBooks Error 176109.

Solution 2- Empty the QuickBooks Point of Sale Entitlement folder

• In Windows Explorer, type C:\Program Data\Intuit\Entitlement Client\v8 in the address bar and press Enter.
• Select all of the files in the folder. To do so, hold down the Ctrl and A keys at the same time.
• Once you've selected all of the files, hit the Delete key. A pop-up window will appear, asking you to confirm your decision to delete files. To delete the files, select Yes.
• Relaunch the QB Point of Sale application and register it once more. Check that you're using the right validation code.

Also Read: How to Fix Quickbooks Error 15103?

Conclusion-

If none of the following methods work, you must perform a clean reinstall of QuickBooks Desktop Point of Sale. A clean reinstall entails entirely uninstalling and then reinstalling QB POS. Make a backup of your data file before beginning a clean installation. Check that you have the QuickBooks Desktop POS installation CD or, if you don't have the CD, that you have the downloaded setup file of the QB Desktop Point of Sale software. You should also have your license and product numbers handy.