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Fix QuickBooks Error 176109 – Invalid Product & Invalid Product Number

One of the most common errors QuickBooks POS users encounter while utilizing QB Point of Sale is QuickBooks Error 176109. This error usually occurs when a user tries to register or open POS. It displays an error message “Invalid Product Code / Invalid Product Number” on the user’s computer screen. Several reasons can trigger this error in Point of Sale, and we need to investigate each of them to rectify the issue. For detailed troubleshooting instructions, follow the entire article until the end.

You can also call Our Point of Sale Support Phone Number 1.800.579.0391 to contact us for help

What is QuickBooks Error 176109?

QuickBooks Error 176109 is a Point of Sale product registration error that appears when you activate or launch QuickBooks Desktop POS after installation. This Error triggers an error message that reads “Error code 176109: Invalid Product Code or Invalid Product Number.” However, apart from using an incorrect product activation key, there could be other reasons that can trigger error 176109 that you will find in the next section of this article.

What Technical Issues Triggers Error 176109 in Point of Sale

QuickBooks Point of Sale is a different version of QuickBooks specially developed to deal with inventory management chores. Running Point of Sale requires additional configuration, and any glitch in the application or its configuration can trigger errors like 176109. Here is a list of all those reasons due to which you can get error code 176109 in QB Point of Sale.

  1. QuickBooks Point of Sale Entitlement Folder is corrupt or damaged.
  2. The product code used to install Point of Sale is not correct.
  3. The user does not have administrative rights on the computer.
Important:
  • Before troubleshooting, make sure to take a backup of your company data file.
  • Check QuickBooks POS for updates, as you will need the latest version of Point of sale to resolve the issue.
  • You need to delete the entitlement folder from Windows that is hidden, so change the windows settings to show hidden files.                            

Display Hidden Files in Windows 7 and Windows Vista:

  1. Click the Windows Start button and select My Computer.
  2. Under the Organize tab, select Folder and Search Options.
  3. Under the View tab, click Show Hidden Files and Folders.
  4. Now unmark Hide Protected System Operating Files and click Yes.
  5. Click Apply and then click OK.                                                                          

Display Hidden Files in Windows 8 and 8.1:

  1. Open Windows Explorer by pressing Windows + E on the keyboard.
  2. Select the File Extension under the View tab and click Hidden Items.                

Display Hidden Files in Windows 10:

  1. Click the Folder icon at the bottom of the screen in the System Tray.
  2. Click, Hidden Items under the View tab.

Troubleshooting Steps to Rectify Invalid Product Code or Invalid Product Number Error:

Try deleting all the Items inside Entitlement Folder

The files inside the Entitlement Client folder get damaged can trigger several running QuickBooks and POS. Once you get rid of these files, QuickBooks will recreate them on startup.

  • Navigate to C:\ Program Data \Intuit\ Entitlement Client\ v8 and press Control + A to select all the files inside the folder.
  • Press the Delete Key, and for confirmation, click Yes.
  • Now open the QuickBooks POS and try registering the application again.        

Try Renaming WS Activity File

Damage in the WS Activity file is also why you can get errors while running QuickBooks Desktop POS. Once you rename the file, QuickBooks will not recognize it and create a new one for its operations.

  • Navigate to C: \Program Data\ Intuit\ QuickBooks Point of Sale\ Ini folder.
  • Right-click the WSActivity file and rename it to OLDWSActivity.
  • Exit this window and delete the Entitlement folder once again.
  • Now open QuickBooks POS.   

Try Reinstalling QuickBooks Desktop POS

Reinstalling QuickBooks Desktop is the last resort to get rid of error 176109. Follow the instructions below and quickly get a fresh copy of QuickBooks installed on your system for a permanent fix of the error.

  • Click the Windows Start button and select Control Panel.
  • Under Control Panel, select Uninstall a Program.
  • Double click QuickBooks POS from the list and select Uninstall/Change.
  • Click Uninstall, and wait for the uninstallation process to complete.
  • If you have, QB Setup file in a CD, then insert it into your computer, click the Setup file to install QB POS, or download it from Intuit’s® website and follow the on-screen instructions for a fresh installation.

Hopefully, this troubleshooting method will help you resolve QuickBooks Error 176109, but if you need the help of an expert to perform this troubleshooting for you, don’t hesitate and call Our Point of Sale Number 1.800.579.0391 now and get connected with certified experts.