
What you need to know
- Some dual-boot devices running Windows and Linux are unable to boot after a recent update from Microsoft.
- The security update fixed a two-year-old vulnerability in GRUB, which is an open source boot loader used on many Linux devices.
- The update was not supposed to ship to dual-boot systems, but it was sent out to them, seemingly by accident.
- Affected devices are unable to boot and show an error message stating, "something has gone seriously wrong."