What client are you using ? Your last post said you had downloaded an incompatible version of RoF.
Assuming you have a compatible client (P99 only supports their modded version of Titanium
http://www.project1999.org/forums/showthread.php?t=2651 ), your symptoms could be a dodgy Internet connection. If you have any high-bandwidth apps running (e.g. video streaming, BitTorrent, etc.) try pausing them while you try to connect. If you are using WiFi, try a wired connection and see if that helps.