Microsoft released the Windows 11 autumn update at the beginning of October. However, a bug has crept in. The installation creates an almost nine gigabyte cache file that cannot be deleted.
If windows is on a separate drive it’s hard for it to actually ruin the Linux install. The fix was to use a USB boot drive to launch Linux and fix the boot manager.
They also released an update that broke dual boot Linux installations. Still feeling that one
They’ve done that periodically for years.
I don’t dual boot anymore but when I did I kept each installation on a separate hard drive for that reason.
In this case it didn’t matter how it’s installed
If windows is on a separate drive it’s hard for it to actually ruin the Linux install. The fix was to use a USB boot drive to launch Linux and fix the boot manager.