Mapsource Problem (cannot use map tool)

I had installed mapsource and City Navigator v.8 on my netbook and the
map tool/mapset creation part was working fine.

However, I tried installing the Trip & Waypoint Manager so that it could
recognize my GPS unit. This didn't seem to work.

However, I cannot seem to create or change mapsets anymore. Clicking on
a map doesn't turn it pink or anything. It also seems as though the
detail of the maps is gone. I tried unlocking City Navigator again, but
that didn't help.

Does anyone have any ideas as to what might be causing this? (I suppose
I could de-install and re-install it, but I thought it might be
something simpler.)

(I was able to download an existing mapset to the storage card for my
unit and that seems to have detailed maps.)

--
Evelyn C. Leeper
Never let your sense of morals prevent you from doing
what is right. -Salvor Hardin, "Foundation"

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You can only use Mapsource/Citynavigator with Garmin units and not
other programs