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I've seen similar questions, but they seem to be somewhat different from what I'm experiencing. And the solutions don't work.

First, it begins right away. I log in and I usually I can't drag the teamviewer window that starts automatically. Probably I have similar feeling:

To me, it feels a bit like some invisible window was put over the whole screen, or some application "captured" the mouse and didn't release it, but thats only speculation ;-)

Sometimes after pressing Ctrl-Alt-Del it starts working for a while. Also, I usually can't switch between tasks using keyboard (Alt-Tab). But it all starts working after I switch the terminal: Ctrl-Alt-F1, Ctrl-Alt-F7.

I'm running ubuntu-13.04, that I've recently installed on two machines. On the other one everything's fine. I'm using Logitech diNovo Edge keyboard and Mad Catz R.A.T. 7 mouse. I've tried reinstalling xserver-xorg-input-all, to no purpose.

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