A. Ensure that your HitVPN app is updated to the latest version. Go to the Google Play Store, search for HitVPN, and check if there is an update available. Updating can fix bugs that cause crashes.

B. Clear the app cache and data. Go to your device's Settings > Apps > HitVPN > Storage, then tap on 'Clear Cache' and 'Clear Data'. This can resolve issues caused by corrupted data.