Since you're using an older and unsupported version of QuickBooks Desktop, the temporary uses has reached its limit, @AVTS001. I'll direct you to the appropriate contact to successfully register the software on your new computer.
If you've already tried using the activation code from your previous installation or attempted to register the product without the validation code through the manual registration process, and the issue persists, it would be suitable to contact our Support Team. They can provide the necessary code and assist you with registering your QuickBooks on the new computer. To reach them, click this link: Intuit Canada QuickBooks Desktop software support policies.
Additionally, you might be interested in reviewing our FAQ regarding the discontinuation of some QuickBooks Desktop products in 2025. You can find more information here: QuickBooks Desktop sale discontinuation frequently asked questions.
Considering the circumstances, this could also be an opportune moment to explore the QuickBooks Online platform, which might better suit your and your clients' needs. For more details on transitioning, please visit this resource: Move your QuickBooks Desktop file to QuickBooks Online.
Please know that you can always return to this thread if you have questions or need further verification regarding product registration. I’ll keep an eye out for your response.
