The error Unrecognized partition found, index 1 disk layout validation failed occurs while converting MBR to GPT. This article lists the reasons and fixes for this error.

Many high-end games, professional software, and cloud security applications now require Secure Boot and TPM 2.0 features, which are only supported when the system disk uses the GPT partition format.

Over the past few months, we’ve been reporting on a major change to the Secure Boot certificates used in Windows 11, which ...

For added security, Windows 11 will forgo the older MBR partition scheme and use GPT instead. That may require users to convert their older hard drives. Here is how to do it. Current users of Windows ...