Hi im using a Dialog student package and with E220 modem since few days i can't connect to the internet... pc detects the modem but when i open mobile partner it says service is disconnected or not available

i installed it again but results same even in a nother pc
.... i called arcade pepole & they says my connection is ok.
What is wrong? is it because of a virus? please help

i installed it again but results same even in a nother pc
.... i called arcade pepole & they says my connection is ok. What is wrong? is it because of a virus? please help