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Error code 176109: Invalid Product Code or Invalid Product Number

When attempting to open or register Point of Sale, you see the following error:

Error code 176109: Invalid Product Code or Invalid Product Number.
Why this is happening

This may be caused by one of the following:

  • The Point of Sale Entitlement folder contains damaged files.
  • An incorrect product code has been used to install QuickBooks Point of Sale for Desktop.
  • You are not logged in to Windows as an administrator.
How to fix it

The following solutions require that hidden folders are enabled.

Solution 1: Delete the contents of the entitlement client folder

  1. Navigate in the left window to: C:\Program Data\Intuit\Entitlement Client\v8.
  2. Press the CTRL + A keys to select all the files in the folder and then press Delete.
  3. Click Yes to confirm the action.
  4. Relaunch QuickBooks Point of Sale for Desktop and re-register the application. If the error persists, try solution 2.

If the issue is not resolved, call 800.316.1068 to verify the correct validation code is being used.

Solution 2: Rename the WSActivity file

  1. Go to: C:\Program Data\Intuit\QuickBooks Point of Sale XX\Ini
  2. Right-click WSActivity and select Rename.
  3. Enter OLDWSActivity and click anywhere to save.
  4. Close the window then follow Solution 1 again.
  5. Relaunch QuickBooks Point of Sale for Desktop.

Solution 3: Perform a clean re-install for Point of Sale

If the above solution did not resolve the issue, perform clean reinstall

KB ID# SLN40328
12/6/2016 2:08:32 AM
QYPPRDQBKSWS08 9138 Pro 2017 b67e87