They can erase the registered information in the partition table and cause a boot failure. There is specific malware that targets MBR. Malware attack: Hijacking by certain malware, called "MBR virus," can cause serious problems. Let’s review some of the reasons that may cause MBR corruption: This matters for PC using all Windows versions of Windows XP, Vista, 7, or 8. If MBR is damaged, the Windows system boot process becomes out of reach. Master Boot Record can suffer from various issues. Therefore, Windows 7, which is still widely used, must make use of MBR for system boot. On the other hand, a PC with earlier versions of Windows (before 8) won’t be able to boot using GPT drives. Thus, after failing the first one, the second comes into play. GPT also keeps a copy as a secondary backup GPT Table for recovery. However, GPT is better in that regard, given that it writes information in several drive areas. Although in practice, Windows operating systems can have up to 128 partitions on a GPT drive without the need to build an extended partition.Īnother downside of MBR is safety, as t stores all data in one place with a higher possibility of getting corrupted and failing. No partition limit means you can have as many partitions as you want. For example, MBR can only handle 2 TB of HDD space (four primary partitions), while GPT disks support volumes up to 18 exabytes in size with theoretically no partition limit. Mainly, MBR is less advanced than GPT and has certain limitations for modern days.
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