Hi there! I see your My Disney Experience app won’t open and is freezing on your Mac running OS X 10.15.7. I’m here to help you get it working smoothly again. To start, could you let me know:

- Have you been able to open the app at all recently, or is it freezing as soon as you try to launch it?
- Is your internet connection stable when you try to use the app?
- Have you tried restarting your Mac or closing other apps that might be running in the background?

This info will help me guide you better through the fixes. Meanwhile, I can suggest some initial steps to troubleshoot:

1. Restart your Mac: This clears temporary issues that might cause apps to freeze.
2. Quit and Reopen the App: If it’s frozen but open, try force quitting the app (from the Apple menu > Force Quit) and then open it again.
3. Check for Updates: Since you’re on macOS Catalina (10.15.7), make sure your system software and the My Disney Experience app (if from the App Store) are both up to date. Software updates resolve many compatibility problems.
4. Clear Cache and App Data: Though more common on mobile, clearing cache or app preferences can help. On Mac, you might delete the app’s preference files if you’re comfortable (located in ~/Library/Preferences/), but let me know if you want instructions for that.
5. Reinstall the App: If those steps haven’t helped, uninstalling and reinstalling the app can fix corrupted files or bad installs.

Let me know what you’ve tried so far or if you want help with any of these steps! If the problem persists, we can explore more detailed troubleshooting or check for server-side issues.

Are you satisfied with the initial guidance I provided?