A. 1. Clear app cache and data: Go to Settings > Apps > Knowledge is Power > Storage > Clear Cache and Clear Data. This can help resolve issues that may prevent the app from launching. 2. Restart your device: A simple restart can sometimes resolve issues with app performance. 3. Check for device updates: Ensure your device's operating system is up to date by going to Settings > System > Software Update.

B. 4. Reinstall the app: Uninstall the app from your device and then reinstall it from the Google Play Store.