On ubuntu 11.10 using gnome classic I accidently made an error and now I have to deal with a redirect button to the gnome tweak tool in the top bar of the gnome interface, right next to the locations button.(but can be moved accros the top bar) I don't want and can't delete the button. Is there a solution to get rid of it?
To remove this icon, alt+right-click on the icon and click remove in the menu.
Super+Alt+rightclick) as described here. In a few years, it'll be
Actually it's compiz that add the Windows key to the Alt+Rightclick combination. You can test this by killing it. Compiz needs Alt+Rightclick for something else apparently.
Gnome classic session: Windows+Alt+Rightclick
Gnome classic session, no effects: Alt+Rightclick