A. 1. Force stop the app: Go to 'Settings' > 'Apps' > 'V2Box' and select 'Force Stop' to halt all activities, including 'Ping All'. 2. Restart the app: Close V2Box completely and reopen it to stop the ongoing ping activity.

B. 3. Check for updates: Sometimes, features are added in updates. Ensure you have the latest version of V2Box installed.