I value the efforts with the troubleshooting you did. I recommend updating your QuickBooks Desktop Enterprise 2024, and please ensure you're the admin of the account. Let me help you with the steps, Const.
Intuit regularly updates its programs to make them work better. These updates improve functionality. It's highly recommended that users have to update so they can open QuickBooks and prevent issues with the features along the way.
Here are the steps:
- Go to Help.
- Update QuickBooks Desktop to the latest release.

This article can help you more understand about updating your QBDT Enterprise account: Update QuickBooks Desktop to the latest release.
However, after updating the QBDT Enterprise and the matter still continues, my other suggestion is to contact the QBDT live expert support team through this website: What can we help you with?
Moreover, if you would like to create a backup of your reports from QuickBooks Desktop in the future, please refer to this article for guidance:
Export reports as Excel workbooks in QuickBooks Desktop.
Thank you for your commitment to using QBDT Enterprise. If you have any QuickBooks-related questions or concerns, please click the Reply button. We are always here to assist you.