Hi first of all thank you this version of ubuntu which I have used alot!
I have reinstalled Ubuntu Mate and when I chose the minimal installation I noticed that the fonts did not look like they normally did in Ubuntu Mate, so after checking this article which had the default settings I confirmed that they were not correct : What are the Ubuntu MATE default font settings?
So maybe there is something that goes wrong in the system when someone chooses the minimal install over the normal one? Just letting you know, because the font rendering settings in Ubuntu Mate is the best I have seen for Ubuntu so far.