What's actually happening here is Windows is setting its bootloader first in your EFI when it gets updated. Linux isn't gone, you just have to press the "boot another drive" button and boot to it, or go into your EFI setup and switch the bootloader back to the Linux one.
Linuxes do the same thing when updating their bootloader.
Note for the Ackshually crowd: If you're still booting MBR (which comes with the partition eating risk on dual boots) you have a system that is older than Windows 8 - 11+ years old, so eating the MBR is something you'll have to deal with unconventionally, as all modern systems, OS, and hardware expect you to be using EFI.
What about stop making bullshit posts? Windows have never did that to me, and there's no reason why would it touch any partition aside from its own and (if it exists) the Windows boot one.
That said, It MIGHT replace MBR boot record but I don't know if that's very likely these days. I remember upgrading from Windows 8 to 10 and Windows left my MBR alone, and I was able to boot to GRUB just fine.
In my case it wasn't the boot entry being removed. It actually ate the partition. When installing Linux Mint, I resized the Windows partition in Linux. Then I noticed that Windows absolutely didn't recognize that change, and thought its partition is still as big as it used to. Then on a restart it hit me with the "Repairing drive C:" which killed the Linux partition leaving just something corrupted.
"Repairing"Image Transcription:
White text on a black background reading
'Me: *Dual booting windows and linux.
'Windows: *Updates itself.
'Me: Where is the linux partition?
'Windows:'
Below the text is the Daenerys Targaryen Squint meme showing Daenerys Targaryen from Game of Thrones squint smiling. Over the image is the text '"dunno!"'
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Tip, just make a seperate EFI partition for Linux. That way, garbage Windows installer won't be able to fuck up your install. Altough this assumes you're running a non-shit EFI mobo that looks for things to boot in every partition.
I had so many issues with my (less than legitimate) windows install kept nuking itself and the drive it was on, I bought a cheap small SSD that has literally nothing but windows on it so whenever it goes fucky I just wipe and reinstall. It's a total time of like an hour going from "shits fucked" to "everything is pretty much how it was before".
It senses the competition....
Cheryl Blossom? Anyone?
And this is why you should install windows to a docker container on your server and not let it touch anything else. Link to GitHub repo.
i had to use Microsoft a while ago, so installed a skin of it, ReviOS to be specific, alongside GNU/Linux. It helped in getting the work done without unwanted updates(which are practically downgrades), and was very fast. coupled with a package manager like scoop it was not that bad experience. even better than MacOS, I'd say.
Best to block windows updates, they usually always break things while offering little benefit. Though I never thought dual booting on the same Disk was ever a safe idea with Windows.
