The QuickBooks error176109 pops up on your screen along with a warning message which says, “Error code 176109: Invalid Product Code or Invalid Product Number”. If you have ever encountered the problem, you must be knowing that it triggers when you make an attempt to open the QuickBooks Desktop Point of Sale or when in the process of registering the QB Point of Sale. In order to get rid of the error, refer to this blog for the most effective troubleshooting methods. The article explains the causes as well. 

Do not hesitate to connect with our technical assistance team to clarify your queries related to QB error code 176109. Dial 1.800.579.0391 and reach out to us. 

Primary Reasons Behind the Error Code 176109 in QuickBooks

Sometimes, it gets difficult to understand the exact reason that triggers the issue. To make it easy for you, we have mentioned the two most common factors that affect the error. Check them out below- 

  • You might have used the wrong product code while installing the QuickBooks Desktop Point of Sale. 
  • You might not have signed in to your computer as the administrator. 

Now that you are aware of the causes of error 176109, move on to the next section of the blog to learn how to eliminate the problem successfully. 

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Top Two Troubleshooting Methods to Overcome QuickBooks Desktop Error 176109

Have you tried multiple techniques to debug the error, but none of them worked? You must go through the solutions given further- 

SOLUTION 1: Open the Entitlement Client Folder to Remove the Contents

  • First, you require to access the Windows Explorer page. Press the ‘Windows + E’ keys. 
  • Double-click on the C: Drive and go to the Entitlement Client folder. 
  • Select all the files at a time by pressing the ‘Ctrl + A’ keys on your keyboard. 
  • Delete them, and to confirm, hit on the ‘Yes’ option. 
  • Open the QuickBooks Desktop Point of Sale again to register it. 

SOLUTION 2: Make Use of Clean Reinstall Process

  • As you need to uninstall the QuickBooks Point of Sale first, open the Control Panel window on your desktop. 
  • Click ‘Programs and Features’. 
  • Once the programs list appears on your screen, hit ‘QuickBooks Desktop Point of Sale 18.0’. 
  • After that, tap on the ‘Uninstall/Change’ option. 
  • To remove it completely, proceed with the prompted instructions. 
  • Now, you must edit the names of all the Point of Sale folders by adding ‘.OLD’ at the end of each folder name. 
  • The next step involves deleting the QBPOSDBSrvUser Windows user.
  • To do that, go to Control Panel and click on ‘User Accounts’. 
  • Select ‘Manage another account’ and when the window opens, hit ‘Continue’. 
  • Choose ‘QBPOSDBSrvUser’ to ‘Delete the account’. 
  • At last, restart the computer system and re-install the QuickBooks Desktop Point of Sale. 

We hope this blog on QuickBooks error 176109 has helped you to debug the issue entirely. However, if the problem still persists even after using the solutions given here, immediately call one of our certified QuickBooks professionals for solutions through Toll-Free 1.800.579.0391

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