How do I resolve the QuickBooks Validation Error?

I am trying to Install the QuickBooks on my new computer but whenever I am trying to open the QuickBooks it’s asking for validation code. When I entering the validation code that I got from calling the number provided it says, the validation code is incorrect. Please verify the number and enter it again.

Asked on February 1, 2019 in Error Messages.
1 Answer(s)


Thank you for posting your query on our blog. I will be happy to help you with this problem. We need to understand a few things before we start the troubleshooting.

We need to understand why do we have to put validation code when we are installing QuickBooks Desktop on a new computer.  You can also visit our blog How to fix QuickBooks Activation Code.

  • QuickBooks already installed multiple times on different computer with the same license and product key.
  • Damaged .ecml file.
  • Damaged MSXML file
  • QuickBooks not installed properly
  • Multiple version of QuickBooks installed and services are running.
  • Incorrect date and time in the system.

Now as we know all these could be symptoms of the problem you are getting, we will have to troubleshoot step by step to fix this problem. After performing the troubleshooting steps if are still facing the problem you can always call our QuickBooks Certified Professionals on 1-877-263-2742.

Answered on February 20, 2019.

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