It's nice to see you chiming in on this thread, nanamarybeth. I'm here to ensure your concerns get addressed. 

If you have trouble finding your license number but can't access your old computer, you can always have that as long as your registered to QuickBooks Desktop. Sign in to CAMPs (Customer Account Management Portal) to find it.

Additionally, this article contains more tips on fixing errors when entering your license number and activation code or after subscribing to QBDT: Fix activation, license, and product numbers issues. 

I'm more than willing to help if you have any other concerns with your account. I'll ensure your needs are taken care of.