Hi there! I see you're having trouble with the MSHSAA TV app freezing on your device. Let me help you get that sorted out.

To start, can you tell me a bit more about when the screen freezes? For example, does it happen right when you open the app, during playback, or at some other time? Also, have you tried any troubleshooting steps already?

Meanwhile, here’s a simple step-by-step guide to try and resolve a frozen screen issue with the MSHSAA TV app on your Windows device:

1. Close and Restart the App
If possible, close the MSHSAA TV app completely. You can do this by using Task Manager (press Ctrl + Shift + Esc, find the app in the list, select it, and click "End task"). Then reopen the app.

2. Check for App Updates
Make sure your MSHSAA TV app is updated to its latest version. Updates often fix bugs that cause freezing.

3. Restart Your Computer
A quick restart can clear temporary glitches causing the freeze.

4. Clear App Cache (if applicable)
Sometimes cached data can cause issues. If the MSHSAA app offers a cache clearing option, try using it. On Windows apps, this might mean reinstalling the app to clear cached data.

5. Check Internet Connection
A poor or unstable connection can cause the app to freeze during streaming. Confirm that you have a strong and stable internet connection.

6. Reinstall the App
If the above steps don’t work, uninstall the MSHSAA TV app and then reinstall it. This can fix corrupted files.

7. Update Windows
Ensure your Windows 10 system is fully updated by going to Settings > Update & Security > Windows Update and checking for updates.

If you’ve tried these or if the issue happens under specific conditions, please let me know. I can then guide you to more tailored solutions or advanced troubleshooting options.

Are you able to try these initial steps and tell me how it goes?