Hi there! I understand how frustrating it can be to deal with a "no server connection" issue, especially after downloading the app. Let's work together to get this resolved.

First, could you tell me if you have a stable internet connection? Sometimes this issue occurs if you're not connected to Wi-Fi or mobile data.

Once you confirm that, we'll try a few steps:

1. Check Permissions: Ensure that TeleGuard has the necessary permissions to access the internet. Go to your device settings > Apps > TeleGuard > Permissions, and make sure all relevant permissions are granted.

2. Restart Your Device: A simple restart can often clear temporary glitches and reset your network connections.

3. Reinstall the App: If the above steps don’t help, try uninstalling and then reinstalling the TeleGuard app. This can help resolve issues related to corrupted files during the initial download.

4. Check for Updates: Make sure both your device and the TeleGuard app are fully updated. Sometimes, issues can arise from using outdated software.

Let me know how these steps go. If the problem persists, we can look into more advanced troubleshooting methods!