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I moved this question from Unix/Linux SE, since I think it fits here best.

When I alt-tab in Kubuntu 12.04, the listed windows are from the current screen only. In the Task Switcher settings, the "List windows" option is set to "All desktops", a setting which I changed a couple of times just in case it gets fixed, but with no luck.

It used to list all windows in the past. Since then:

  • I changed the effect options (listed in Task Switcher) a month or two ago
  • I applied several updates (system-wide, as in apt-get update/dist-upgrade )

but I cannot say for certain when the problem first occured.

Any suggestions?

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up vote 0 down vote accepted

I found out that disabling "Separate screen focus" in KDE's Window Behavior solves the problem.

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