A. 1. Clear app cache: Go to Settings > Apps > BlueMail Lite > Storage > Clear Cache to remove temporary files that may cause the app to stop. 2. Update the app: Ensure you have the latest version of BlueMail Lite installed, as updates often fix bugs that cause crashes.

B. 3. Reinstall the app: Uninstall BlueMail Lite from your device and then reinstall it from the Google Play Store to fix any corrupted files.