Best Ways To Resolve QuickBooks Error 176109 – Invalid Product Number

QuickBooks is considered a pioneer in the Accounting and Financial management software because of its seamless integration with other third-party applications and software. Even a new user can learn to use the software as it has an User friendly software. There is a list of QuickBooks Error Codes and issues which you should check so that you can have a better understanding of the software. In this article, we will be talking about the QuickBooks Error Code 176109 in detail.

If you are encountering this error then dial the authentic QuickBooks Tech Support Phone Number +1866-644-7717 and get support services for your QB.

The error message associated with the QB Error 176109 is:

“Error 176109: Not valid Product Code or not valid Product number”

Causes Of The QuickBooks Error 176109

  • The POS Entitlement folder has been damaged or corrupt files.
  • You have entered the wrong product code while installing QuickBooks Point Of Sale.
  • You are not the System Administrator.

How To Fix QuickBooks Error 176109?

Solution I: Contents in the QuickBooks Entitlement file have to be deleted

  • Navigate to the left window and go to this location, “C:\Program Data\Intuit\Entitlement Client\v8”.
  • Press Ctrl + A on your keyboard to select all the files.
  • Now, press Delete key on your keyboard to delete all the files.
  • Select all the positive options in the prompts that appear on your screen.
  • Re-open on your QuickBooks POS
  • Now, re-register it again.

Solution II: Renaming of the WSActivity file

  • Go to the location, “C:\Program Data\Intuit\QuickBooks Point of Sale XX\Ini”.
  • Look for the WSActivity file and right-click on it.
  • Mow, choose the Rename option.
  • Rename the file to OLDWSActivity.
  • Exit from the window.
  • Reopen your QuickBooks Point Of Sale and re-register it.

Solution III: Performing the Clean installation

  • Restart your computer.
  • Log in on your computer as the System Administrator.
  • Now, perform a Clean re-installation of the software.

The solutions which are given above have been tried and tested by the trusted QuickBooks Experts of They are certified by Intuit and have years of practical knowledge in dealing with such errors and issues. You can talk to them if you have a problem with your QuickBooks or if you need help with any of the features or tools. They are available on the toll-free QuickBooks Tech Support Phone Number +1866-644-7717 24×7 and look forward to talking to you.

You can also have a conversation with the QuickBooks Chat Support Department by using the Chat Support icon on the bottom-right corner of the monitor screen.


Troubleshoot QuickBooks Error 176109 – Invalid Product Number

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