thanks graham
ok airnav support,as i told you before there is nothing wrong with my internet connection
i am not the only one who lost the network
and what about this
Network Status
The status of our main products using the network are shown below.

Device Status
AirNavLive.com Online
AirNav Live Flight Tracker Online
AirNav RadarBox 3D Online
AirNav RadarBox Network Online
AirNav FS Live Traffic Online
i have 23 year experience in networking,i have all my microsoft certifications
there is something wrong with your network,no offence you are doing your best
greetings
satbopper
ps the network is online now