Thanks for sharing your concern here in the Community, @DanaJCPA.
Let's ensure to upgrade your QBDT software to the latest version available. QBDT 2018 is no longer a supported version of QuickBooks. This way, you'll have the latest security and fixes.
Here's an article you can read for more details and troubleshooting steps: What to do if you can't open QuickBooks Desktop.
If the issue persists, I suggest contacting our representative. They have the right tools to check your account in a safe environment.
Here's how:
- Open QuickBooks file.
- Go to the Help menu, then select QuickBooks Desktop Help.
- Click Contact Us.
- Enter a brief description of your issue, then click Let's talk and then choose a way to connect with us.
For more information on the availability of our support, feel free to check out this article: Support hours and types.
I've also added this reference you can read for further guidance: Use the Accountant's Copy.
Don't hesitate to comment down below if you have other queries. I'll be around to lend a helping hand. Have a great day.
