KDE

Restart Plasma Desktop

$ kbuildsycoca4 && kquitapp plasma-desktop && kstart plasma-desktop

Klipper shortcut settings

KDE 4.10.0-1.2.1

If you do it in Global Keyboard Shortcuts, it will be reset on logout.

https://bugs.kde.org/show_bug.cgi?id=300532#c1

• right click on system tray expander arrow
• select “System Tray Settings”
• in “Entries” list, change keyboard shortcut for Klipper