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Practical Solutions to Resolve QuickBooks Error 176109 Quickly

Call +1.855.738.0359 to Resolve QuickBooks Error 176109

QuickBooks Error 176109 is an invalid product number QuickBooks POS registration error that appears when you activate or launch QuickBooks Desktop POS after its installation. This error evokes an error message that reads “Error code 176109: Invalid Product Code or Invalid Product Number, and you might face this error often. This error arises if there is any corruption or correction in your point-of-sale product key number, if your product number is missing, or if your files are corrupted. Another case can be If you are trying to open QuickBooks point of sale, you might have to face this error. There are chances that your QuickBooks software does not have permissions as an administrator or does not have all the permissions that it requires and is evoking the error. Follow this article to the end if you want to learn about effective solutions to rectify the error.

If you are unable to follow the steps, you can contact us at 855-738-0359 to get immediate assistance from our support team.

Solutions to Rectify Invalid Product Code or Invalid Product Number Error:

Down below, we have mentioned some of the most effective solutions to resolve QB error 176109.

Solution 1: Try Deleting all the Items Inside the Entitlement Folder to Resolve the Error

The files stored in the Entitlement Client folder get damaged and can evoke several running QuickBooks and POS. Once you erase these files, QuickBooks will recreate them on startup, thereby becoming an important QuickBooks invalid product number fix.

  • Locate to C:\ Program Data \Intuit\ Entitlement Client\ v8 and tap on Control + A to choose all the files inside the folder.
  • Hit the Delete Key, click Yes for the confirmation, open the QuickBooks POS, then try registering the application again.
  •  If you still face QBPOS invalid product number, jump to the next solution.

Read more :- Quickbooks Error 403

Solution 2: Try Renaming the WS Activity File

Corruption n the WS Activity file is also why you can face QuickBooks product number list errors while running QuickBooks Desktop POS. Once you rename the file, QuickBooks will not recognize it and will make a new one for its operations.

  • Go to C: \Program Data\ Intuit\ QuickBooks Point of Sale\ Ini folder and right-click the WSActivity file, then rename it to OLDWSActivity.
  • Quit this window and erase the Entitlement folder once again.
  • Now access QuickBooks POS and look for the invalid product code error.

               Also read :- How to print form 941 from quickbooks desktop

Solution 3: Try Reinstalling the QuickBooks Desktop POS

Reinstalling QuickBooks Desktop is the last method to eliminate error 176109, incorrect product number QuickBooks. Follow the steps below and quickly get a fresh copy of QuickBooks installed on your system for a fix of the error.

  • Tap on the Windows Start button, choose Control Panel and under Control Panel, go to Programs and Features.
  • Select Uninstall a Program, double-click QuickBooks POS from the list, and then choose Uninstall/Change.
  • Press Uninstall, wait for the uninstallation process to finish, copy the POS data folder to the desktop, and modify its name by adding.OLD in the end.
  •  It will stop QuickBooks POS from recognizing the folder and lead to it making a new one. 
  • Now, you must follow these steps to delete the QBPOSDBSrvUSER Windows user and rectify QuickBooks POS invalid product number:
  • Navigate to the Control Panel from the Start menu, browse to User Accounts and choose to Manage another account.
  • Hit Continue in the user account window, go to the list and click on QBPOSDBSrvUSER.
  • Select Delete the account and confirm to delete the folder.
  • Restart the system to apply the adjustments to manage the QuickBooks change product number issue and proceed with the reinstallation of QuickBooks Desktop POS
  •  If you have a QB Setup file on a CD, then insert it into your computer, tap on the Setup file to install QB POS, or install it from Intuit’s®️ website and follow the on-screen instructions for a fresh installation. 
  • Now confirm the presence of the QuickBooks product number not working.



QuickBooks Error 176109 is one of the frequent errors of QB, which is easy to eliminate. This article is a perfect guide to QuickBooks error 176109, and if the error persists, you can call us at 855-738-0359 to get an immediate response from our team of experts

You may also read :- quickbooks component repair tool

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