So now i got the method to fix it By the way i got i a year ago but now posting if someone having this problem look at the pics its now for win 7 you have to do same with windows xp
1. Open Firewall And click as it shows in picture and follow the pics





And At Last Browse your server and click add and then ok



Now open your server and see it will in the list
Note : This is only for those who use router not for others because they dont need to port forward