about to force to close windows

Mon Jan 21 21:14:28 UTC 2013

Hi everyone, I'm using ubuntu 12.10 binary-i386 and i'm using gnome shell.
Every time that I try to close a windows I receive the tool to force to 
close it.
I have been removing all the configurations in my $HOME,
Could you help me please?
Apologize me for my language, I don't speak english,
Regards in advance,
Amaury.

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