To resolve the issue of the RockMyRun app shutting down after playing half a song, follow these step-by-step instructions:

1. Clear App Cache and Data:
- Go to your device's Settings.
- Navigate to Apps or Application Manager.
- Find and select RockMyRun.
- Tap on Storage and then click on Clear Cache and Clear Data. This action will refresh the app and might help with any temporary issues.

2. Check for Updates:
- Open the Google Play Store.
- Search for RockMyRun and check if an update is available.
- If there is an update, install it. App updates often include bug fixes that could resolve crashing issues.

3. Restart Your Device:
- Power off your Android device completely and then turn it back on. This can help eliminate minor system glitches.

4. Reinstall the App Again:
- Uninstall the RockMyRun app again, ensuring all data is deleted.
- Reinstall it from the Google Play Store.

5. Check Background Processes:
- Make sure that no other applications that might interfere with RockMyRun are running in the background. Close unwanted apps and retry.

6. Network Connection:
- Ensure you have a stable internet connection, as interruption could lead to playback issues.
- Try switching between Wi-Fi and mobile data to see if the issue persists.

7. Factory Reset (Last Resort):
- If none of the above methods work, consider performing a factory reset on your device. Make sure to back up your data before doing this, as it will erase everything on your device.

8. Contact Support:
- If the problem still exists after trying all these steps, reach out to the RockMyRun support team through their official website for further assistance.

Following these steps should help resolve the problem with the RockMyRun app shutting down. If issues continue, it may be related to deeper system conflicts or specific compatibility with your device model - learn more - learn more