Hi,
А compiz-gtk случайно разломан или это что-то другое разломано, а
его зацепило?
sudo apt-get install compiz-gtk emerald meld notification-daemon -o
pkgProblemResolver=yes
Reading Package Lists... Done
Building Dependency Tree... Done
emerald is already the newest version.
meld is already the newest version.
notification-daemon is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  compiz-gtk: Depends: libwnck-1.so.22
E: Broken packages

-- 
Rgrds,
Andriy
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