If you are experiencing issues with TeleGuard showing "No connection to server" for a week, there are several steps you can take to troubleshoot and potentially fix this problem. Follow these comprehensive steps:

Check your Internet Connection

1. Ensure that your device has a stable internet connection. You can do this by browsing a website or trying another app that requires the internet.
2. If you are on Wi-Fi, try switching to mobile data or vice versa to see if the issue persists.

Update the TeleGuard App

3. Check if there is an available update for the TeleGuard app. Go to the Google Play Store, search for TeleGuard, and see if an update is available. If yes, install it.

Clear App Cache and Data

4. Go to the settings of your device.
5. Navigate to "Apps" or "Applications."
6. Find TeleGuard, tap on it, then select "Storage."
7. Tap on "Clear Cache" and then "Clear Data." This will not delete your messages but may require you to log in again.

Reinstall the Application

8. If the problem continues, uninstall the TeleGuard app from your device.
9. Restart your device to refresh the system.
10. Reinstall the app from the Google Play Store.

Check for Server Status

11. Sometimes, the server might be down for maintenance. Visit forums or the official TeleGuard website to check if there is any announcement regarding server issues.

Restart Your Device

12. As a final troubleshooting step, restart your device, as this can refresh network connections and clear temporary software issues.

If you’ve followed all these steps and still cannot connect, it may be worth reaching out to TeleGuard support directly for further assistance. There may be a larger issue affecting their servers or your specific account.

For further information regarding troubleshooting for connection issues, you might find this discussion helpful: "No connection to server. Functionality will be limited." - learn more and more on the official TeleGuard site - learn more.