Since update about an hour ago to the new nacacore 10.5 , with my 2635 M live, while driving and connected normally to HD, my screen went blank, all light grey, with a picture of a small tomtom in the center with a circle of dots in center of this small tomtom going round and round. Lasted about 20 seconds and went back to map screen again. Any ideas? Was this the camera over the air update. If it is, their is a problem. I had no map screen for 20 seconds. this should not be