PC freez while playing ko

[the ring]

well here is the deal and i hope that you can understand what im saying with my poor english
when im playing ko , screan freez and fps drop to 1-2-3 i almost can't do anything other then moving with such a low fps
usually it goes for 5-10seconds then i can play again , it happens alot
but today its diffrent , when it happens fps drop to 1 evreything freez , i can't move my mouse or do anything , if vent is on or playing music the voice changes , i dont know how to explain it but its buggy voice ,sometimes i had to wait 1-2 min's for things to go back to normal
i dont know whats the problem , formating may fix this ? or the problem is with my video card ?
thanks in advance

[blood_warrior]

I suggest that you try reformating your drive and see if that fixes the problem.
If the problem remains you should take a deeper look into the graphic card.

[the ring]

ill try that , thanks