Recently I update the Windows system to 20H2 in my desktop. This machine has dual boot, the other system is Ubuntu 20.04 and the booting procedure is managed by grub2. During the update, the machine restarted itself and all of a sudden I’m encountered by a grub rescue prompt indicating my booting partition is missing.
Linux partition becomes UNALLOCATED SPACE after windows update
Windows is an ignorant system and when it updates itself, especially during major updates, some bad things might happen …