Fix QuickBooks POS Error 176109: Invalid Product Code or Number

1
Fix QuickBooks POS Error 176109 Invalid Product
Code or Number
2
QuickBooks application is one of the largest used
worldwide because of its accuracy and features.
One such feature is the easy integration of any
third-party software with it. While working with
such powerful features, it is bound to happen
that the users may encounter some errors now and
then, due to which the users are left helpless in
resolving the issue without proper guidance.
Amongst those errors, we will be discussing today
is Error 176109. This error pops on the screen
with the error code and the message "Invalid
Product Code or Invalid Product Number".   This
QuickBooks POS Error 176109 is triggered when the
user tries to open or register the Point-of-Sale
application. It essentially means that the
authentication files have been damaged or
corrupted. At the same time, this issue can
emerge from the lack of reading and writing
permission. Though there might be some more
issues besides this, let us understand this error
in more detail so that you can act quickly on it.
3

• Various Causes of QuickBooks Error 176109
• Here are the several other issues that cause to
  trigger the Error 176109.
• Invalid or wrong product code used during the
  installation of Point of Sale.
• Lack of administrative power while working with
  the files.
• Files getting corrupt or missing in the
  Point-of-Sale folder.
•  
• Methods to fix the QuickBooks POS Error 176109
• We have seen how this error is triggered. Now we
  will look at all the solutions at our disposal.
  Follow them one by one until the issue gets
  eliminated.
• Method 1 Deleting the content of the Entitlement
  Client Folder
• Open your system file explorer by pressing the
  Windows key E
• Go to C\Program Data\Intuit\Entitlement
  Client\v8
• Select all the files present in the folder by
  pressing Ctrl a keys on your keyboard
• Press the Del key on your keyboard and click Yes
  for confirmation. 
• This will delete all of the files
• Reopen the POS application and try to complete
  the registration process again

4

• Method 2 Change the name of the WS Activity File
• Open your system file explorer by pressing the
  Windows key E keys.
• Open the location C\Program Data\Intuit\QuickBook
  s Point of Sale XX\Ini in the explorer.
• Locate WSActivity in it and then rename it by
  Right-clicking on it.
• Once you have changed the name, hit enter or
  click anywhere on the screen.
• After completion, close the windows. Now you have
  to delete all the content of the Entitlement
  Client Folder.
• For that process, follow method -1 for it.
• Launch the Point-of-sale application again.
•  
• Method 3 Reinstalling the QuickBooks Desktop
  Point of Sale
• We will first uninstall the program. You can do
  that by
• Press the Windows key R on your keyboard to
  open the Run program.
• Enter Control Panel in the dialogue box and hit
  enter key.
• Click on the program and feature options in the
  control panel.
• Locate and select QuickBooks Desktop Point of
  Sale 18.0 among the lists. Then click on the
  Uninstall/Change button.
• Follow the steps that appear on the screen and
  uninstall the program.

5

• Once the uninstallation is over, head to
  the Point of the Sales data folder, copy it and
  then paste it onto your desktop to ensure that
  you have a backup in case of any failure. Rename
  the folder so that during the fresh installation,
  the POS application won't install on this same
  folder and create will create a new one. Now all
  that's left is to delete the QBPOSDBSrvUSER user.
  For that, follow the below steps
• Press the Windows key R on your keyboard to
  open the Run program, type the control panel, and
  hit enter.
• Go to User Accounts and in that click on Manage
  another account.
• Click the continue option when prompted 
• Select the QBPOSDBSrvUser and click on the Delete
  account option
• Once over, reboot the system
• After that reinstall the QuickBooks Point of Sale
  should fix the error.
•  
• Conclusion
• We hope that we were able to assist you with
  QuickBooks Point of Sale Invalid Product Number
  Error and you were able to resume your work also.
  We always aim to resolve accounting errors as
  quickly as possible and hassle-free.
• If you require any additional assistance from us
  regarding any error or the QuickBooks
  application, dial 1-800-615-2347 or drop us a
  mail at info_at_axpertadvisors.com and our
  QuickBooks technical support team will get in
  touch with you soon.