When your pc crasher and you can not get the pc started anymore, what to do.you got to have a "live winxp" cd-rom. there any many types of this cd, all created bij other programmers, just google on it.with this cdrom you can boot the pc from the cd, on this cd there are many programs to a) recover the pc burn the files which are on your harddis to a other cd-rom.it work great, the live windows does not need a harddisk to run on windows.have fun with it