@Oliver, you can install Synaptic to use a GUI to downgrade compiz and then run this commands (as root):
# echo compiz-core hold | dpkg --set-selections # echo compiz-plugins hold | dpkg --set-selections # echo compiz hold | dpkg --set-selections
@Oliver, you can install Synaptic to use a GUI to downgrade compiz and then run this commands (as root):
# echo compiz-core hold | dpkg --set-selections
# echo compiz-plugins hold | dpkg --set-selections
# echo compiz hold | dpkg --set-selections