guys when i start to play game like counterdtike on my pc first it starts but when i click start new game the window of game shut down. why id it so it happens always. furthermore if game gets started after few minutes my computer shuts down unexpectedly reporting that the temperature is high in CPU. it happen always when i try to play games and some time surfing on internet. why is it so? Do any one have any idea why it happens and what is the best solution for this problem?
It sounds like the CPU temperature protection feature is shutting down your computer to protec the CPU from damage. You may need to clean the CPU heatsink to remove dust, or replace the fan, or replace the the heatsink and fan with one that provides better CPU cooling than the one you have now.