What is the reason of QuickBooks Error code 176109?

1 Answer(s)

When user trying to open or register Point of Sale, the user sees the following error:

Error Code 176109: Invalid Product Code or Invalid Product Number


  • Maybe You Point of Sale Entitlement folder contains corrupted files.
  • Not using correct product code during installation of QuickBooks Point of Sale for Desktop.
  • Maybe user not logged in to Windows as an administrator


To fix this issue follow given solutions:

Solution1: Delete the contents of the entitlement client folder.

Solution2: Rename the WSActivity file.
For more information about this error visit What is QuickBooks Point Of Sale Invalid Product Number?

Answered on July 7, 2017.
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