Hello! I understand that the Mint Mobile app downloads on your device but doesn't open when you try to launch it. Let's look into this together. Could you please let me know if you see any error message when you try to open the app? Also, have you tried restarting your device since downloading the app?

In the meantime, here’s a simple step-by-step approach you can try to get the app working:

1. Restart your computer (Windows 10): Sometimes temporary glitches can be resolved by a simple reboot.

2. Check for updates: Ensure your Windows 10 system is fully updated via Settings > Update & Security > Windows Update. Also, check if there is any update for the Mint app.

3. Uninstall and reinstall the app:
- Go to Settings > Apps > Apps & features.
- Find the Mint app, select it, and uninstall.
- Restart your PC.
- Re-download and install the Mint app from the official source.

4. Run the app as administrator:
- Right-click the Mint app icon.
- Select “Run as administrator” to check if it opens with elevated permissions.

5. Disable any antivirus or firewall temporarily: Sometimes security software can block apps from opening. Disable them briefly to see if that’s the cause.

6. Clear cache and temporary files:
- Use the Disk Cleanup tool or a third-party cleaner to remove any temp files that may interfere with app launching.

7. Check for compatibility mode:
- Right-click the Mint app icon, choose Properties.
- Go to the Compatibility tab.
- Make sure no compatibility mode is enabled that might affect its running.

If after these steps the app still does not open, please let me know what happened during each step or if any error message appeared. We can dig deeper or consider if there’s a broader account or server-related issue.

Are you satisfied with this initial guidance, or should we proceed with more detailed troubleshooting?