Hey Buddy,its not so difficult to do that,if you are using windows xp original then you can update that from the net,other than that there is one more option to make a windows xp sp2 bootable cd!!!firstly you have to download windows xp sp2 patch from the net,then search for google for the software called as "AUTOSTREAMER",just download it 900kb file small one
after that install it into your computer,then run it,when you get started with that ,put your windows xp cd to rom,it will read that,then there you will see the files to add option in autostreamer,go ther "browse" and put the sp2 from the location!!the click next to make an iso file!!your work is then
autostreamer will male a iso file,then after completing it
run your nero,then there will be an option disc or save project,click it and the add your iso file and burn it on a cd
YOUR WINDOWS XP SP2 BOOTABLE IS READY TO USE!!!
DO USE ORIGINAL WINDOWS TO STOP PIRACY!!!!