Tente usar ActiveHotkeys . Este utilitário informará a você se uma tecla de atalho tiver sido atribuída, embora não tenha sido atribuída a ela.
Please note that Windows does not allow for detecting which application has registered a particular shortcut, so that feaure is not included. (If you think you know how to achieve that, using message hooks or what-not, please post here or earn some karma at Stack Overflow.
Umarespostanolink"Stack Overflow" leva ao Comando de atalho
Find out what hotkey combination is registerd by which application.
Disable hotkey actions, return the keystrokes "eaten".
Override the original hotkey with a different key combination you prefer.
Create hotkey combinations or sequences in Hotkey Commmander's Innovative Keystroke Style.
Define hotkeys with Left/Right modifier keys (, ,...) sensitive.
Automatically control hotkey actions under certain conditions like "after holding down for 3 seconds", or "if some application is running currently".