Hi there! I understand how frustrating it can be to have the Frontline app not working, especially with a blank screen. Let’s work together to troubleshoot this.

First, can you tell me if you've tried any specific steps so far? For instance, have you attempted to restart the app or your device?

In the meantime, here are some initial steps you can try:

1. Close the App: Make sure to fully close the Frontline app. You can do this by right-clicking the app icon in your dock and selecting “Quit.”

2. Restart Your Macintosh: Sometimes, a simple restart can resolve software issues, including a blank screen.

3. Clear Cache: If you're using the app version, clearing the app's cache could help. However, if you’re using the web version, you might also want to clear your browser's cache. This can usually be done from the "Preferences" or "Settings" menu in your browser.

4. Check for Updates: Ensure that both your Mac OS (10.15.7) and the Frontline app are updated to their latest versions.

5. Try a Different Network: Sometimes connection issues can lead to problems. If you have access to a different Wi-Fi network, see if the app works there.

If those steps don't work, let me know, and we can dive deeper into other potential issues. There might also be specific troubleshooting guides available, such as Troubleshooting Platform Login Issues on Frontline Education[1].

I’m here to help, so just let me know what you’ve tried and any other details you can share!