What is QuickBooks POS
invalid product number?

It is so natural with every app and software, that we might face few software issues while using them. So is the case with QuickBooks as well. QuickBooks Services have always been so helpful and supportive for every business. But sometimes you might get to come across QuickBooks POS invalid product number. Basically, it is a kind of error that arises when you attempt to open the POS (Point Of Sale) application. This QB POS invalid product number is also referred to as QuickBooks Error 176109.

Though all the software are meant to make our life fast and easy going. But at the end of the day, they all are just a machine that might give few errors. QuickBooks Point of Sale helps a lot in growing up business sales. Also, it makes easy integration with third-party software. Yes, there are times when it give errors and you have to face few issues. As discussed above, one major error is QuickBooks point of sale invalid product number i.e. Error 176109. However, there is nothing to worry about. This error 176109 is fixable and can easily be resolved. You just need is to act a little smart and fast.

What is the root cause of 176109 error?

There are several causes that causes to the occurrence of QuickBooks Invalid Product Number ie. Error code 176109. The following reasons are as mentioned below-

  • If the product code or product number used while installing QuickBooks Point of Sale to QuickBooks Desktop is improper. In such instances, QuickBooks Error 176109 will appear.
  • Also, when in the entitlement folder the content of the point of sale is missing or damaged. In this case, the error message points that the key evidence or validation files are corrupted.
  • If the user misses or doesn’t have the administrative level of permission to reach the files then QuickBooks pos invalid product number is sure to be shown.

What is the solution to this error 176109?

There are always some helpful solutions following with every problem. So, to overcome this QuickBooks pos invalid product number error 176109 few solutions are as follows-

Solution 1: Deleting entitlement client folder’s content.

  • First of all, use windows explorer and then follow the traili.e. C:\Program Data\Intuit\Client Entitlement\v8.
  • Then, select all the files by pressing Ctrl + A.
  • Now, click on “Delete”.
  • Select “Yes” in order to get your action confirmed.
  • At last, just open the QuickBooks point of sale & try to re-register the application.

Solution 2: Re-name the WS Activity file.

 At first, use windows explorer and follow the trail C:\Program Data\Intuit\QBPoint of Sale XX\Ini.

  • Click on WS Activity.
  • Click on Rename.
  • In the next step, click anywhere on the screen to save just after entering the OLD WS Activity.
  • Close the windows now.
  • Next, delete the entitlement folder.
  • Now just relaunch the QuickBooks point of sale and you are done.


Solution 3: Try a clean QuickBooks Point of Sale installation.

The re-installation of QuickBooks point of sale, this solution is like the head of all. If nothing works from the above list of solutions then, at last, go with this technique and perform the task. But before you start with the re-installation just make sure to create a backup of all files. So that you do not lose any of the data files. The steps to re-install the QuickBooks Point of Sale are as follows- 

  • Firstly, uninstall QuickBooks Pont of Sale.
  • Start to rename all the point of sale folders.
  • Now, re-install the point of sale.
  • Finally, restore the company files.

How to uninstall Point of Sale in QuickBooks?

  • Open the control panel.
  • Press on “Program and Features”.
  • Select QuickBooks Point of Sale in the list of programs.
  • Click on uninstall.
  • Just follow the commands and get the process completed.

How to rename all the pos folders?

  • To avoid the recognition of folders from QuickBooks and to create the new ones, just add “OLD” at the end of each folder.
How to restore the company files?
  • First of all, get into QuickBooks Point of Sale.
  • Form a new company file.
  • Restore the backup that has been created.
  • Re-open POS and check once if the problem has been resolved or not.
  • Now again register for QuickBooks POS.

This is all about QuickBooks Point of Sale invalid product numberi.e. error 176109. You can get rid of this error problem with the help of the solutions mentioned and described above. In case if you still face any difficulty, issue, or confusion. Then you can always ask QuickBooks Services for help, using the given toll-free helpline number. You can reach out to us anytime you wish to. Just dial the QuickBooks POS helpline number and our team of experts will support you and guide you towards the solution.