Hi Just bought a N770 and have the following issues

1 set up connection with my Sony Erisscon W850i N770 connects begins to dial then states network error ?

2 I went to the Maemo webiste and downloaded some applications - only 1 kb downloads and when i double click on the application, the application manager starts but a dialogue box appears stating ! not found

3 Where can software be obtained for the N770

Thanks