A. 1. Ensure that you are using the correct login credentials. 2. Check your internet connection; a weak connection can cause logouts. 3. If you are using a VPN, try disabling it as it may interfere with the app's connectivity.

B. 1. Clear the app's cache: Go to 'Settings' > 'Apps' > 'CVS/pharmacy' > 'Storage' > 'Clear Cache'. 2. If the problem persists, uninstall and reinstall the app.