Fixing QuickBooks POS Invalid
Product Error
The Point of Sale feature in QuickBooks with an inaccurate product number can drastically reduce user
workflow productivity. An error notice stating QuickBooks POS Invalid Product or "invalid product
number" usually appears along with this error while trying to open or register the Point of Sale application.
This indicates that the necessary authentication files are damaged or corrupted. It's important to note that
QuickBooks accounting software requires permission to read and write files without any barriers.
Resolving this error is crucial to ensuring smooth transactions and accurate inventory management. In this
blog, we will explore common causes of such Errors and provide step-by-step solutions to help you
resolve them quickly and effectively.
You can also seek assistance from our QuickBooks error support team to receive instructions on resolving
the issue. Simply call us at a toll-free number, and we will provide you with immediate support and
assistance.
What Leads to Invalid Product Numbers in Point of Sale?
• Several factors can trigger such an error in QuickBooks, including QuickBooks error 176109. Let's
examine these reasons individually:
• The Point of Sale Entitlement folder contains corrupted files, and the accounting program might be
having problems.
• Incorrect product codes may have been used by users during the installation of the QuickBooks
Point of Sale Application.
• The WS Activity file may be causing issues due to its current name, prompting the need for a
change.
Solutions to Fix Invalid Product Numbers in Point of Sale
Below are some of the most effective methods for resolving this Error.
Solution 1: Deleting all contents within the Entitlement Client Folder (both manually and
automatically)
Manual Procedure
•Press the Windows key + E to open File Explorer.
•Navigate to the View tab and select Show hidden files.
•Go to the following path: C:\ProgramData\Intuit\Entitlement Client\v8
•Delete all files in this folder. Confirm the action by clicking Yes.
•Complete the QuickBooks Point of Sale registration process by restarting it.
Automated Procedure
•Download the Clear Entitlement File Tool.
•Extract the file on the desktop.
•Run the tool and restart QuickBooks Desktop Point of Sale.
Solution 2: Perform a fresh installation of QB Point of Sale
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Navigate to the search bar in the Control Panel under Programs & Features.
Select and uninstall QuickBooks Point of Sale from the list of programs.
Modify the Point of Sale folder by appending OLD at the end to create a new folder structure.
Reinstall and launch the Point of Sale application.
Restore the backup file and create a new business file.
Solution 3: Renaming the WS Activity File
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To launch Windows Explorer, use the Windows key + E.
Navigate to the following path: C:\ProgramData\Intuit\QuickBooks Point of Sale XX\Ini
Right-click the WSActivity file and select Rename. Add OLD to the file name.
After shutting down the window, remove the files from the entitlement client folder.
In this blog, we aimed to address and resolve QuickBooks POS Invalid Product Error by explaining its
causes and providing solutions. By understanding these factors, users can better manage and resolve the
error when encountered. If you encounter any difficulties or if the error persists, please contact our helpline
at 1.855.856.0042 for immediate assistance.