Hi there! I see your Guardian app has stopped working, and you’d like help getting it back up and running. To make sure I guide you best, could you tell me a bit more about what's happening? For example, does the app crash immediately, not open at all, or show any error messages? Also, are you using Guardian on your Windows 10 device, or is it another device?

Once I have a clearer picture, I can walk you through some steps to fix it.

App was working perfectly for several months , then all of a sudden it says that I have to be a U.S. Cellular costumer for t he app to work . I have been a U.S.Cellular costumer for many years .

Thanks for sharing that detail. It sounds like the Call Guardian app is suddenly not recognizing your valid U.S. Cellular customer status, which caused the message about needing to be a U.S. Cellular customer for the app to work. Let's work through some steps to try and fix this:

1. Verify Your Account Status
Sometimes account verification glitches happen. First, log in to your U.S. Cellular account online or via their official app to confirm your account is active and in good standing.

2. Sign Out and Sign Back Into the App
On your Windows device, try signing out of Call Guardian completely, then sign back in using your U.S. Cellular credentials. This can refresh the app’s authentication.

3. Check for App Updates
Ensure your Call Guardian app is updated to the latest version. Sometimes older versions lose compatibility with account verification systems.

4. Reinstall the App
If updating doesn’t solve it, uninstall then reinstall Call Guardian. This clears any corrupt app data that might cause misidentification of your customer status.

5. Network Permissions and Connectivity
Make sure Call Guardian has the necessary permissions on your device and can access the network properly. If you’re on Wi-Fi, try switching to cellular data or vice versa to rule out network issues.

6. Contact U.S. Cellular Support
If all of the above fails, this might be a backend or service issue on U.S. Cellular’s side. They sometimes have system updates or account validation problems that cause this error. You can reach their support for help or confirm if there’s an ongoing issue with Call Guardian activation for existing customers2 3.

If you want, I can also help draft a message to their support to speed up the process.

Let me know how it goes or if you’ve already tried any of these steps! Are you satisfied with the solution I provided so far?

How do I update my Call Guardian app settings?

Got it, you want to update your Call Guardian app settings. Since you’re on Windows 10, here’s a straightforward way to do that:

1. Open the Call Guardian App
Launch the app on your device.

2. Access the Settings Menu
Look for a menu icon, often three horizontal lines or a gear icon, usually at the top or bottom of the app screen.

3. Adjust Preferences
In Settings, you can update options like call blocking preferences, enable or disable spam protection features, and manage allowed or blocked numbers lists.

4. Verify Your Subscription
Make sure your subscription status is current, as some features depend on active service.

5. Check for App Updates
Since you’re on Windows, visit the Microsoft Store and check if there’s an update available for Call Guardian. Keeping the app updated ensures settings function correctly.

6. Grant Necessary Permissions
Some settings require permissions like access to your contacts or call logs. Make sure these permissions are enabled in Windows Settings > Privacy > App permissions.

If you don’t see these options or the app shows any error messages during this process, let me know, and I can guide you further or help troubleshoot!

For detailed activation steps, U.S. Cellular's official page walks through getting started and permissions: 1

Are you satisfied with the guidance so far?