“These instructions are not for the faint of heart.”
KB5034441 patches a BitLocker bypass on Windows 10 and fails with error 0x80070643 because the recovery partition is too small. Microsoft’s answer is KB5028997, a guide to resizing partitions by hand. Ordinary users get an error code that lies about the cause and a security hole that stays open. Microsoft shipped a patch that doesn’t fit on the disks its own installer laid out.