I have installed ubuntu 12.10 on my windows7.Now I want to install xen on it.I have searched a lot and read many blog.I tried to install but when i run a command xm list to check whether xen is install or not it gives me error that cant find hypervisor.Update grub command now not working as I have changed many things so should I reinstall from wubi? Is installing xen on wubi a problem?Should I install ubuntu from live cd or without wubi ?Will my windows crashed if install ubuntu without wubi?My main objective is to install xen on ubuntu.Please help me