please need help

[waleed1010]

yesterday i have turned off my computer but not normally like to take off the cable,and today when i turned it on it says do u wanna run it normally i pressed inter and when i opened cod4 an error appeared which it says that my record rest and my keycode gone,so please how can i get my keycode back

 

[johnb35]

So you just unplugged the computer? Doing this will usually cause errors on the hard drive. You will need to scan the drive for errors using the hard drive makers disk diagnostic program. What brand of drive do you have?