hi, i have wireless D-Link router and i use Alfa usb adapter to connect wirelessly to my brother home network , there are no any problem in internet connection, but i found when i use some software the sign of network disappears suddenly throught there are the other networks signs ! the software which i use it is Messenger which called : Beyluxe Messaenger. after i opened the software and connect to the rooms without any problems, about 30 min , i got message from the Beyluxe messenger : You have disconneted from Beyluxe , then i check the wireless sign , but i found the wireless network sign of my rother network disappear ! and the i think the router also power off because the sign at normal about 90% . can any one help me with that to know the causes of this ?