As a workaround, here's a description on how to change the key that triggers the HUD (or to disable it completetly): http://askubuntu.com/questions/105874/how-can-i-disable-the-new-hud-in-ubuntu-precise
As a workaround, here's a description on how to change the key that triggers the HUD (or to disable it completetly): http:// askubuntu. com/questions/ 105874/ how-can- i-disable- the-new- hud-in- ubuntu- precise