Possible bug in Grub in latest Install Updates

[Valtam]

In a fresh terminal:

Code:

sudo leafpad /etc/apt/sources.list

Overwrite with the following:

Code:

###### Ubuntu Main Repos
deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu xenial main restricted universe multiverse


###### Ubuntu Update Repos
deb http://us.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu xenial-security main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu xenial-updates main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ xenial-proposed main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu xenial-proposed main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu xenial-backports main restricted universe multiverse


###### Ubuntu Partner Repos
deb http://archive.canonical.com/ xenial partner
# deb-src http://archive.canonical.com/ xenial partner

Then:

Code:

sudo apt-get update
sudo apt-get dist-upgrade
apt policy grub-pc

Paste the output here.