QuickBooks POS Error 176109- Invalid Product Code or Number
In addition, there are some key features that make it different from other software. Unfortunately, sometimes errors occur and QuickBooks Error 176109 is one of them. This can happen when a product code or product number is invalid.

QuickBooks POS is one of the best accounting and management software. It helps the small business owner to track the sale and profit of other retail businesses.

While the user tries to open a Register Point of Sale system, then a message shown on the screen with QuickBooks POS error 176109 that is-
“Invalid product code or invalid product number”. You not only have this error. Sometimes QuickBooks Error 3371 is also shown.

What Is Invalid Product Code Or Invalid Product Number?
QuickBooks is one of the best accounting software. A wider range of user used this software. When entitlement folder of POS contains corrupted or damaged files at that time users saw Error 176109 on the system with the invalid product code.

Reasons Of Occurring QuickBooks POS Error 176109
It may be encounter because-

You are not logged as the administrator on the window.
POS entitlement folder contains damaged files.
When an incorrect product code is used to install the software.
How To Resolve QuickBooks POS Error 176109?
Basically, there are three methods of resolve the error 176109-

Method 1- Reset The POS Entitlement Folder
First of all open, the My Computer then navigate-
C:\Program Data\Intuit\Entitlement Client\v8

Then select all the files in this folder with Ctrl+A and press Delete.
Press the Yes button to confirm the action.
Then re-launch the QuickBooks POS for Desktop and register again on the software.
Method 2- Rename The WSActivity File
Open the My Computer then navigate- C:\Program Data\Intuit\QuickBooks Point of Sale XX\Ini
Then right-click on the WSActivity and select the Rename.
After that enter the OLDWSActivity and click on the Save button.
Then close the Window and Delete the Entitlement again.
After deleting entitlement re-launch the QuickBooks Point Of Sale for Desktop.
Method 3- Perform A Clean Re-install For Point Of Sale
If the issues of the software do not reduce by the above methods. So, you can explicitly uninstall and restore the software again.

Conclusion
Here we discuss How To Fix QuickBooks POS Error 176109- Invalid Product Code or Number.

In this blog, we discussed QB Error 176109, its reasons. As well as, we include the methods of resolving this error.

We hope you like our blog and which information we provide is beneficial for you. If you have any query or question so you can comment in below session.