A. 1. Force close the app: Go to 'Settings' > 'Apps' > 'CVS/pharmacy' > 'Force Stop'. 2. Restart your device to refresh the system. 3. If the problem persists, consider clearing the app's cache as mentioned previously.

B. 1. Check for any pending updates for your device's operating system: Go to 'Settings' > 'System' > 'Software Update'. Keeping your OS updated can improve app performance.