HELP with wireless connection, SERIOUSLY (Pictures)

OKay, here is my problem. My network has been set up and working fine for a while now but it recently screwed up. Now, My router is working fine and the signal can be picked up easily. It's the one in green.



Now, you'd think everything would be fine, but when I try to add it to my connections:



It doesn't show up:



I need some serious help. What am I doing wrong?? My network is secured with some type of WPA. Help would be GREATLY appreciated.