Help Help Help

ok heres the problem. I live in lithuania this is not importan at all but i live in a place far from the city so i cant get a normal internet connection i have watched every where . but the only option for a good internet was wireless . like i connect to it then i need to make the payments. everything was fine i was very happy with it it worked very nice the speed was big and it was without anoying wires , the point is that after a week or two its gone no internet bey bey . first of all i thought its temporaly but after a week , another it went bad , becose its gone ! still gone now but whats the WEIRD thing that sometimes i still can see it in my wireless connection list i dont get it sometimes i try to connect but i cant becose theres no signal . sometimes it even writes : the connections software are other than your wireless router ????? i dont get it before a week or two everything was fine and now its NONSENCE , btw my router is in a pc like not a laptop its a wireless card its USB wireless 802.11 b/g adaptor so what to do i need that connection badly and it cant get any connections just one private but its still bugging sometimes i get the same 2 connections like one is normal and the other is saying the connections software are other than your wireless router . HELP PLEASE HELP I NEED INTERNET BADLY im using this internet from work. mad: