Shoutbox

alright im using me friends Mac now and the computer at home is going thru some annoying difficulties.
alright here is the deal:
my cousin turned off the computer wrong by pressing the power button, when she turned it back on it was weird and then she turned it off again, it was a confusing story..wel anyways now the Windows wont load.
is says sometin like We are sorry but windows did not load successfully and shit..please choose an option
and the options are
Safe mode
safe mode networkin
safe mode .. dont remember
last known configurations
start windows normally.

whenever i press start windows normally it starts to load ..u know the screen with the little thing goin from left to right and then comes a black screen and then a blue screen flashes very fast and dont know what is on it it but then the computer starts again..and couple of secs later i see the option window again
this happens with every option i choose..
can someone please help me with this and tell me what can i do
i tried to press any F buttons when the option window is up but still noptin
please dont tell me i have to reinstall windows because we dont have a windows CD because windows was already on it

plz guys i know u can help me i seriously need help
tnx
im singing off now