Please remove all my above posts from this thread, if you belive it is out of context.
since it has nothing to do to "grub-install trashes the ntfs partition"
and nothing to do with the ".....Sector 50 is already in use by FlexNet......." as I thought at the beginning.
Because I found in later experiments that
"grub-install trashed grub-menu if run on current partition to make current partition to be a default boot up OS"
So I have decided to start report this bug at https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/898655
Please remove all my above posts from this thread, if you belive it is out of context.
since it has nothing to do to "grub-install trashes the ntfs partition"
and nothing to do with the ".....Sector 50 is already in use by FlexNet......."
as I thought at the beginning.
Because I found in later experiments that
"grub-install trashed grub-menu if run on current partition to make current partition to be a default boot up OS"
So I have decided to start report this bug at /bugs.launchpad .net/ubuntu/ +source/ grub2/+ bug/898655
https:/