In order to move forward on this bug, we need to know 1) if this still happens when using grub2, and 2) We need a dump of the first 63 sectors both before and after booting into windows. You can run sudo dd if=/dev/sda count=63 of=dump to get that.
In order to move forward on this bug, we need to know 1) if this still happens when using grub2, and 2) We need a dump of the first 63 sectors both before and after booting into windows. You can run sudo dd if=/dev/sda count=63 of=dump to get that.