can not install apache dpkg was interrumpted

Question

Someone who has any idea of why and how to fix this error?

and after executing the commands of the end dpkg --configure -a shows the following

Answer 1

First try doing the following:

sudo dpkg-reconfigure grub-pc

then select the correct disk (/dev/sda/) when prompted. In that way, if the error does come back again try the following solution:

sudo grub-install /dev/sda

then

sudo update-grub