Windows is Slavery technology
Choose wisely.
quotingMicrosoft’s latest security update has ruined dual-boot Windows and Linux PCs
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Just when you thought you could try Linux out, and still have Windows with dual-boot as a back-up for some use-cases, Microsoft is out to screw you over again. Their new update to "secure boot", which fixed their previous issues with GRUB and Windows together, which Microsoft allowed to be abused by hackers for 2 years before finally patching, now is breaking Linux machines.
"Ars Technica reports that multiple Linux dual-boot users are seeing “security policy violation” messages, along with “something has gone seriously wrong” errors. There are reports of issues across Reddit, Ubuntu forums, and elsewhere. Distributions including Ubuntu, Debian, Linux Mint, Zorin OS, and Puppy Linux have all been affected by Microsoft’s patch."
It looks like you may have to finally pull the plug and wipe even your back-up Windows that you left for compatibility. Microsoft is so corrupt and worthless, they can not even be trusted as an alternative at boot time.
Sources:
https://www.theverge.com/2024/8/21/24225108/microsoft-security-update-windows-linux-dual-boot-errors
https://arstechnica.com/security/2024/08/a-patch-microsoft-spent-2-years-preparing-is-making-a-mess-for-some-linux-users/