bootsector downloads
HDHacker
1.6.5 download... restores the MBR (from a physical drive), the BootSector (from a logical drive) or any sector from ... setup (that, obviously, overwrites it). An MBR and BootSector backup can also be useful for simple precautionary ...
EasyBCD
2.4.0.237 download... BCD Backup and Restore Updating the MBR and Bootsector Creating a Bootable USB Editing a BCD on a different disk Changing the Boot Partition Resetting the BCD ...
boot-repair-disk
download... Reboot the pc >-- solves the majority of bootsector/GRUB/MBR problems ...