too many secrets and no sound and error on startup

hi!!

well first off id like to thank you guys for this forum. ive been reading post after post of things that can help me in the future, and will check this site more often

and now to my question.

yesterday my brother was on my computer on his myspace( that i know of),
and got some sort of virus. i have no sound, and i cant run a system restore because i get the error for too many secrets.

i know, read the read me, and i have, trust me. but when i log the computer on now its asking me for my windows authentification key, which i do have a valid key, but i am unsure of putting the key into because of the problem i am having.

i dont know what i should do. atm i have dissconnected my router from my computer while its on, because i dont want anything going out that i dont know of. i am not that computer saavy but i am more than willing to do anything you guys need >< please help me if i missed something that i could have done without you guys, like a thread i missed somewhere ><

thanks for the time guys <3

 

ok i decided to just go get a fresh copy of windows since all i ahve are upgrades. i cannot attach any logs, unfortunately, my comp doesnt stay on more than about 3 minutes before restarting. ><

 

yeah definately will do that except now im going to have to open a new thread in the hardware section i cant get windows to load after installing ><