Problem: “Unfortunately App has Stopped” error show suddenly when running app on Android or iOS device such as Subway Surfers. Follow below solution to fix “Unfortunately App has Stopped” error.
Solution 1: Clear Cache or Clear Data for Android device
Step 1: Go to Settings > Apps.
Step 2: Locate the app that you want to clear the cache or data for then tap on Storage
Step 3: Tap Clear Data button to clear app data and Clear Cache to clear app cache.
Solution 2: Reinstall App
For Android device
Step 1: Go to Google Play Store from app drawer > My apps.
Step 2: Get the app the showing the error and uninstall it.
Step 3: Install it again.
For iOS device
Step 1: Go to Settings > General > iPhone Storage or iPad Storage.
Step 2: Select an app from the bottom of the screen.
Step 3: Tap Delete App, confirm, then go head to App Store and re-download it.