So it is . As I earlier told , I tried installing linux kernel from arch repos but nothing happened as the arch thingy didnt have aufs support . Thanks for your support !

Thanks for that ! I think I didnt copy all the sfs and that's what created the problem . Now Im trying to install Guest Additions and when I tried to do pacman -S virtualbox-guest-utils I get an error cannot resolve "linux>=3.7", a dependency of "virtualbox-guest-modules" . So I ...

How can I install this ? I tried some steps given in some other threads of this forum like partitioning my drive & formatting it with ext4 . Then copied the 3 files some *.sfs , vmlinuz and initrd . Atlast , ran the grub4dos config . But on restarting the virtual machine ( yes , its on a VM ) , ...