Rebuild MBR is a process to repair corrupted MBR Partition Table and restore the Master Boot Code so as to enable computer load and boot up Windows OS again. Also, reinstalling Windows can fix this issue. But it is not convenient and even complex for Windows beginners. To rebuild MBR is easier and time-saving. EaseUS Partition Master is featured with the function of rebuild MBR, so it will help you solve the MBR corruption issues very easily in a few clicks.