Let's perform some troubleshooting steps to fix the problem, Edward.
You can reset your QuickBooks Online (QBO) Desktop app to sort out the loading issue. To do so, follow the steps below:
Click Help on the navigation bar at the top.
Select Reset App Data.
Wait for the process to complete, then close the app.
Ensure to right-click the app and Run as Administrator when re-opening.
However, if the issue persists, you can uninstall and reinstall the app to refresh the system. Moreover, you can review the following links to enhance the performance of the program. For more details, please see below: