1. No Junction View most probably because no JVC file. Reinstall the map or find JCV file.
2. About restarting...Well, that is a hard. Cоулд be due to many things. Perform this two but make a backup of the waypoints before
a. Master Reset
b. Clearing of the non-volatile memory
BTW can you upload the GUPDATE.GCD firmware from the folder .System. That one seems an interesting model.