First of all hello to everyone - this is my first post here!

Second: What brought me here is the fact that I have installed the Ufasoft Coin client (ver 0.76.0.0) and I right-clicked the Bitcoin to 'mine'. But nothing happened. The 'State' is 958 days ago, Mining 0.0 MHash/s and 'Peers' is 8.
CPU utilization for 'Coin.exe' sits at 0%.  GPU-Z shows GPU load at 0-1%.
Is there anything else that I need to do to make it work?
My rig has a NVidia GT450 GPU.