Backup and restore the boot sector or any sector from any drive with HDHacker
HDHacker is a free and light program able to save, visualize and restore the MBR from a physical drive, the BootSector from a logical drive, or any sector from any disk, even from removable disks.
It can save and restore a particular boot manager before a new Windows version overwrites it.
Sometimes viruses are able to overwrite or alter MBR / Boot Sectors, which means that you’d better have an MBR and BootSector backup.
HDHacker is an efficient program that does what it promises.