A. 1. Clear app cache: Go to Settings > Apps > ProgressBook Parent/Student > Storage > Clear Cache to remove any corrupted data that may be causing glitches. 2. Restart your device: Restarting can help clear temporary issues that may be causing the app to glitch. 3. Update the app: Ensure you are using the latest version of the app, as updates often fix bugs and glitches.

B. 4. Reinstall the app: If glitches persist, uninstall the app and then reinstall it from the Google Play Store.