Hi there! I’m Daniel, here to help you get your Grifin app working again on your Mac running OS X 10.15.7. To start, could you tell me a bit more about what happens when you try to open the app? For example, does it show an error message, freeze, or simply not respond?

Meanwhile, there are a few general steps we can try to get the app opening again:

1. Close the app fully if it’s stuck or partially opened—use Force Quit from the Apple menu (Apple icon top-left > Force Quit). Then try reopening.

2. Restart your Mac. Sometimes a fresh start clears up temporary conflicts.

3. Check for app updates. Open the App Store and go to Updates to ensure your Grifin app is up to date.

4. Reinstall the app:
- Delete the Grifin app from your Applications folder (drag to Trash).
- Download and install the latest version from the App Store again.

5. Check macOS compatibility: While you’re on OS X 10.15.7 (Catalina), confirm that the app supports this version (usually it should; if the app recently updated, compatibility might be a factor).

6. Check security settings: Sometimes macOS blocks apps from unidentified developers. Go to System Preferences > Security & Privacy > General, and see if there’s an option to allow Grifin explicitly.

If you’ve tried any of these steps or if the app shows an error message, let me know so we can dig deeper. For instance, if the app fails due to a bank connection issue, some fixes suggest deleting and reconnecting your bank within Grifin1.

Let me know how it goes or if you need more guidance!