Cannot uthenticate maps 2460LMT


After downloading version 2012.40 I get the message Cannot authenticate maps on my 2460LMT. I then went to the Garmin my dashboard and downloaded the newest updates for my registered Nuvi 2460 and did the steps it told about disconnecting and restarting the unit. The error message still shows and the GPS firmware shows 2.89 which is the same as when I started. Any more suggestions before calling Garmin?

Duplicate thread

Same question asked and possible answers given at

"Anyone who is capable of getting themselves made President should on no account be allowed to do the job." --Douglas Adams