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I've enabled few Keyboard-shortcuts and they work weird.

Shortcuts with Ctrl+Alt+
I've enabled "Ctrl+Alt+C" to open a Google-chrome browser
Works only when I hold the Ctrl+Alt for a while.
Works fine for default shortcuts like lock-screen (Ctrl+Alt+Delete) and gnome-terminal (Ctrl+Alt+T)

Shortcuts with "Super"+
I've enabled "Super+F" to open a Google-chrome browser with facebook URL
Works only if I press "F" twice without releasing the "Super" key

Can someone help me fixing the issue (or) Confirm this behavior/bug?

OS - Ubuntu 12.10
Gnome - 3.6 (PPA)

share|improve this question
I have similar strange behavior on 14.04, all modifier doesn't work well (control,shift,.. ) I have to press many time to get control+c works ... very frustrating – Postadelmaga Mar 29 '14 at 4:51

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