where do you save the maps?

If you have been able to view some maps and now no more maps are downloaded maybe your card is full.
mapper says that it is downloading the maps but in reality it isnt because your card is full.

Maybe thats the problem?

becuse of the routes.
maybe it cant find the adress you are typing.

try from:
london, england
to:
norwich, england

if this woks its because of your adresse.
tell us, if this did not work.
then the problm is something else.