window controls (close, minimize, maximize) disappeared?!

The window controls for close, minimize, maximize have disappeared.
Restarting does not help - how can I get these back?

Quote:

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Originally Posted by qwertyjjj

The window controls for close, minimize, maximize have disappeared.
Restarting does not help - how can I get these back?

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Please try the following:
Main menu > Knoppix > (Re-) start 3D desktop compiz