I ran into a nasty bug the other day which I mentioned here:
I had installed a new game on Steam, and it’s menu entry is Life Is Strange™. Only that making any modifications would “self distruct” the entire menu since it couldn’t process a non-ASCII character (™). Deleting the character from the launcher fixes the problem.
The affected system is Ubuntu MATE 16.04 with MATE 1.14. The language is en_GB
in case that makes a difference.
It is strange… Fortunately there are backups of the menu to restore. Does this happen to other releases/MATE versions too… or could it be something else related to that launcher?