Ham operators regularly us "antenna wax" on their antennas to talk farther and receive weak signals. We also us "DX wax" for overseas chats.
All kidding aside, I doubt if you hurt the antenna with just the wax. Now if you got some water down inside it.....Can you pull the connection to it and make sure it is dry and clean.
If you shut the unit down at a location that is different from your current location, trying to start it,may take it longer to find itself again.
Ken