I really need help with updating the cs50 appliance. I resently upgraded to windows 10, and then i couldnt get the cs50 appliance to work so i reinstaled windows 7. After this i haven't been able to update the cs50 appliance. Everytime i try to do it i get this error ( its very long) I hope its ok if i copy and past it here. if someone has an answer that would be great or if someone could point me in the direction of finding an answer would also be great.
I realise this might be something to do with the hyperviser but i'm posting here since people are always very helpful. also im using virtualbox.
The GRUB boot loader was previously installed to a disk that is no │ longer present, or whose unique identifier has changed for some │ reason. It is important to make sure that the installed GRUB core │ image stays in sync with GRUB modules and grub.cfg. Please check │ again to make sure that GRUB is written to the appropriate boot │ devices. │ │ If you're unsure which drive is designated as boot drive by your │ BIOS, it is often a good idea to install GRUB to all of them. │ │ Note: it is possible to install GRUB to partition boot records as │ well, and some appropriate partitions are offered here. However, this │ forces GRUB to use the blocklist mechanism, which makes it less