Recover Ubuntu Grub Bootloader After Windows Wipes it Out

This steps can be done from Windows

• Download software Auto Super Grub Disk

• Double-click auto_super_grub_disk_1.0 icon, install it, and reboot.

• On the next boot, select the UNetbootin-supergrubdisk menu entry; this will launch the Auto Super Grub Disk.

• Do nothing till you see your Grub menu again.

• Next time you boot Windows, click yes when asked to remove UNetbootin-supergrubdisk to remove the Super Grub Disk menu entry.