A. 1. Update the app: Ensure you are using the latest version of the app, as updates often include bug fixes. 2. Clear app data: Go to Settings > Apps > Ultrasurf VPN > Storage > Clear Data. This will reset the app and may resolve crashing issues.

B. 3. Free up device storage: Check your device storage and delete unnecessary files or apps to ensure the VPN has enough resources to run smoothly.