machan ip conflict..right click on my network places >properties > local area connection >properties
in general tab internet protocol (tcp/ip) change ur currant ip address to another 1
ex- 192.168.1.4 to 192.168.1.6
then ok.ok to local area connection properties.
restart ur pc.. or disable ur local area connection n re-enable it...
problem solved..
wireless connect wenakota kohoma wei da dan na.. but,worth to try... no harm..