Why does the QuickBooks error 176109 message keep appearing on my screen while I am trying to register my QuickBooks POS?

I work in a retail store and have been using the QuickBooks POS system to follow sales, customers and inventory effectively and quickly. I was required to add one more user in this system but when I tried to activate it, suddenly the QuickBooks error 176109 appeared on the screen. The IT person of the store tried to deal with it by performing a few procedures of resolution but nothing seems to get rid of the error. So, I looked around on the internet and I found your community. Can anyone please provide me with a solution quickly, so that we can get back to our business. Thanks in Advance.

1 Answer(s)

Greetings, first of all, thanks for reaching out to our community regarding this issue. I will be glad to help you get rid of the QuickBooks error 176109.

QuickBooks error 176109 is related to a product number or code that is invalid. This error message essentially states that the key authentication files have either been misplaced or corrupted. This error generally affects your system whenever you attempt to open up your QuickBooks POS. Your QuickBooks application needs to be granted permission in order to read and write the files without any intervention. If it doesn’t receive any administrative level permission granted, then the QuickBooks POS invalid product number error message may appear on your screen.

There are several causes that can lead to the occurrence of QuickBooks error 176109. The main causes that contribute to the occurrence of QuickBooks error 176109:

    • Any damages that might have been retained by files of Point of Sale Entitlement files.


    • Your user accounts do not have admin rights or permission.


    • Your QuickBooks Desktop POS might have been installed with an incorrect product number.


Now, to know the steps of alleviating this error, you will need to read the following articles: How to Fix QuickBooks Error 176109 – Invalid Product Number

Hopefully, the aforementioned article helps you in understanding about QuickBooks error 176109. You can resolve this error with the methods explained in the article provided above. In case the issue still persists even after you have performed all the steps accordingly as illustrated in the article, then please contact the QuickBooks Support Number 1-888-660-0582 for immediate diagnosis and resolution.

Answered on June 27, 2019.

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