Can't login, no window decoration (issues with Cinnamon and Gnome)

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http://askubuntu.com – I am using Ubuntu 12.04 x86_64 with a Cinnamon desktop. Today, out of the sudden, I was kicked from desktop to login screen. I entered my password and noticed that my window decorations disappeared. I ran: sudo aptitude reinstall cinnamon After that I wasn't even able to login (black screen and back to login screen). After research I managed to resolve the login issue by removing my ~/.Xauthority file. Althought I can log to default Ubuntu (Unity) session, I can't do this with all other window managers - Cinnamon and Gnome. Furthermore, any login attempt to mentioned sessions re-initiat (HowTos)