having problem partitioning while instaling Fedora core 3

[mech.hacker12]

hi everybody

man i am a linux noob so i dont have any idea wat this prob is

abt. the problem is that i am using winxp pro and i hav a 40 gig

hdd with 10-12 gigs left on it, so i tried installing feodra core 3 on

it and while it reaches the point where it asks us for partitioning

it gives me an error abt sum partition not found.

so pls help if u can.

thnx
mech.hacker12

p.s. if u need any more info please ask me, thnx.