ahh man u never of guess what it was what wouldnt let my films playback properly? dunno if u remember my problem but everything was jerky etc turns out my gefroce werent installed when i installed xp it musta deleted it. so it was using the built ibn one on the motherboard, which was absolute lame and couldnt let me playback films properly. it werent a codec problem to begin with, my codecs were sweet i didnt need to delete em, i got it sorted tho i just installed the kazaa lite codec pack n im flying now. thanx for your help tho and sorry for wasting your time.
nah you didnt waste my time man, i do this as a hobby! good luck in the future and if u ever need help with anything give me a shout!