Error retrieving information from server.[RPC:S-5:AEC-0]
Follow the steps mentioned and it may be solved:1. Go to “Settings”
2. Applications>Manage Applications >Select “All”
3. Scroll to and tap Google Play Store >
4. Force Stop > OK
5. Clear data > and tap “OK”.
6. Tap the Back button to get back to the applications list.
7. Scroll to and tap > Google Service Framework
8. Force Stop> OK
9. Clear data > “OK”.
10. Now reboot (switch on & off) your device.