Okay, to answer my own question, remove the ppa and thus downgrade back to previous settings, type the following within a terminal: sudo ppa-purge ppa:smspillaz/compiz-fix-1195522 sudo apt-get update
Okay, to answer my own question, remove the ppa and thus downgrade back to previous settings, type the following within a terminal: compiz- fix-1195522
sudo ppa-purge ppa:smspillaz/
sudo apt-get update