i have:
AMD Athlon x2 7750 Dual-core Processor 2.70 Ghz
GPU : Nvidia Geforce 9400GT 512MB VRAM
3 GB of RAM

Router TP-LINK .els i dont remember much

someone had this probelm before?
if so can you help me out with this?

i cant conncet and play. its saying "Failed to connect to server".

yerstoday it was working fine. what should i do to fix this broblem?