Messenger stopped working

Problem description:
Being Msn Plus installed, it still doesn’t show the colors of a user that uses it when i log in.
There’s a button that says ‘‘Plus!’’ that leads to ‘‘Compatibility’’
When i click on it, Messenger freezes and closes.
Error code/error message:
Windows Live Messenger stopped working.
What has been tried so far:
I tried to restart the program.
Messenger version
Windows version:
Windows 7 Home Premium