Comment 13 for bug 758253

I am using distro-packaged Compiz 0.9.4 on up-to-date Ubuntu 11.04 amd64 with an NVIDIA GeForce GTX 275 and the distro-packaged proprietary driver. I am running Ubuntu's "Classic" desktop (i.e., not Unity).

Enabling the "Keep previews of minimized windows" option in the Workarounds plugin breaks minimizing. When this option is enabled, minimizing a window will usually result in it merely becoming invisible while still having focus and still being the same size as it was before. For example, moving the mouse around the desktop will result in the pointer icon changing in accordance with the widgets in the invisible window, and clicking on the desktop will actually result in a click on the invisible window. Repeated maximizing/minimizing of different windows tends to make the problem go away temporarily.

The bug also affects the Unity environment.

Reported in the Ubuntu bug tracker at https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/758253

One solution would be to simply remove this option from the UI until this issue is resolved.