QuickBooks POS Error 176109 invalid product number

Troubleshoot QuickBooks POS Error 176109 Invalid Product Number or Product Code

QuickBooks POS error 176109 means that the key authentication files are either corrupted or missing. This error usually appears when you are trying to open or register QuickBooks Desktop Point of Sale. QuickBooks Point of Sale helps with speeding up sales of your business and allows easy integration with other third-party software. But there are times when you are faced with any QB POS error. QuickBooks POS invalid product number or invalid product code in the 12.0 and 19.0 versions is one such problem.

QuickBooks POS Invalid Product Number or Invalid Product Code

When users use QuickBooks, they face several software problems. QuickBooks POS error 176109 invalid product number or invalid product code is one of those issues that generally occur when they attempt to open or register QuickBooks Desktop POS. The error code notifies that essential authentication files are damaged or corrupted. The QuickBooks require enough permission to write & read the files without any barrier.

Why QuickBooks POS Error 176109 Occurs

Here are the major causes for the QuickBooks invalid product number error code 176109.

  • When important contents of the point of Sale in the entitlement folder are damaged or absent
  • The wrong product code or number is used to install the QuickBooks Point of Sale
  • The users do not have administrative-level permissions to open the files.

Steps to Troubleshoot QuickBooks POS Error 176109 Invalid Product Number or Product Code

Below is the list of effective solutions to resolve the QuickBooks POS error 176109 invalid product number or code.

Method 1: Delete Entire Contents of the Entitlement Client Folder

Here are the steps:

  • Locate Windows Explorer and then follow the respective path C:\Program Data\Intuit\Entitlement Client\v8.
  • Now press the Ctrl+A button on your keyboard simultaneously to select entire files.
  • Hit on the Delete button
  • Choose Yes to confirm the action.
  • Once done, open the QuickBooks Point of Sale and then re-register the application.

Method 2: Give a New Name to the WS Activity File

  • Open Windows explorer
  • Follow the path C:\Program Data\Intuit\QuickBooks Point of Sale \XX\Ini.
  • Now give a right-click to the WS activity file.
  • Choose to Rename the write OLD WS Activity
  • Hit on anywhere to save the applied changes
  • Close the windows
  • Now you have to delete the entitlement folder.
  • At last, re-launch the QB Point of Sale.

Method 3: Do a Clean Installation of QB Point of Sale

If the above methods do not sort out the issue, then perform the QuickBooks Point of Sale clean reinstall. Ensure that you have taken a backup of the files before performing the clean installation. Below is the list of steps for a clean installation.

A: Perform uninstallation of QuickBooks Point of Sale

  • Open the control panel.
  • Hit on Program & features
  • Choose QuickBooks Point of Sale in the listed programs.
  • Select the uninstall button
  • Follow the onscreen instructions appearing in the prompt to finish the process.

B: Give a New Name to Complete Point of Sale folders

  • Embed OLD at the folder’s end; it helps you prevent accounting software from recognizing the files to make a new one.

C: Perform the Re-installation of the Point of Sale

  • Follow the complete steps of the POS installation.

D: Restoring the Company Files

  • Launch QuickBooks Point of Sale
  • Make a new company file.
  • After this, restore the created backup.
  • Open the Point of Sale to check whether the issue is fixed or not.
  • Now re-again register QuickBooks Point of Sale.

Method 4: For an Expert User

  • Click start your computer and log on as Admin
  • Click on Start -> Choose Programs -> Accessories -> System Tools -> System Restore
  • Go to a new window then the “Restore my computer to an earlier time” option -> click next.
  • Choose the latest system restore point from the “On this list, click a restore point” list -> click next.
  • Tap next to the confirmation window.
  • Restart the computer when the restoration is finished.

Method 5: For a New User

  • Start with downloading the QuickBooks tool which we don’t recommend as it may put your company files at risk.
  • After successfully downloading the program, click on the scan button.
  • Tap the Fix Errors button when the scan is completed.
  • Restart your computer system.
  • The utility tool thoroughly scans and identifies all the repairs on your PC and then fixes your Windows operating system registry structure.

If still face any doubts or need to explore additional content or solutions for QuickBooks POS error 176109, give a ring to a QuickBooks POS consultant. The expertise team is there for you to help you fix all issues.