Wifi connection disappears on connect

[Kenaf]

I just got my Touch Pro 2 today and I'm struggling a little bit. All I have done so far is loaded the Clean up Cab stickied on this forum, as well as the data tethering Cab from MightyMike's tweaks. Now I'm trying to connect to my home Wifi network and I'm not having any luck.

I go to WiFi connections and my home network has a full signal strength. I attempt to connect to it, and enter my Network key, and as soon as it changes to "Connected", it instantly disconnects and disappears from the list of available connections. I have to leave and go back and its listed again, but won't connect, and disappears again. I'm really confused.

Also, my "Data connection" option doesn't do anything when I try to turn it on. I'm thinking my data plan may not be synced up right yet, so I dunno.

Any thoughts?