i have a notepad emachine been using the vodafone dongle for over year.but now it says connected in the VMC but when i try to connect to internet its says navigation stopped then tell meto diagnos problem...i cant get online on it any ideas?..i need the dongle for my work as a volunteer..vodafone assistant said not vodafone network as it shows 4 bars in the strength and connected..i formatted and reloaded etc