I installed cinnamon a while ago and didn't like it so I removed it (followed some post online to remove it completely as apt-get autoremove cinnamon wasn't very successful).
After removing it, I was still left with gnome and gnome 2D
Today I reinstalled it (apt-get install cinnamon) and I logged in using cinnamon and as son as I so much as pressed a key or clicked an icon, it crashed. I had to shut down using a virtual console.
How can I fix this? I would prefer removing Cinnamon + Gnome + Gnome 2D completely and installing cinnamon again.
Try the below command on terminal,
This should completely remove it along with any configuration files that might be causing issues.