@christien, i've had that same sort of problem and i think it has to do with admin options being stuck on... i made one and tried to delete it and was unable to do so.. it also left the new button available to me after reaching the max number of p...
this viewer is awesome, and i just dl'ed it today. i'm asking a question here cause i'm full groups so i can't join the support group, but i am having a weird problem.. after my first run of the client, i now cannot see the location chooser dropdo...