Hello. I used to have this xmodmap config: remove Control = Control_R keysym Menu = Control_R keysym Control_R = Super_L add Control = Control_R remove Lock = Caps_Lock remove Control = Control_L keysym Control_L = Caps_Lock keysym Caps_Lock = Control_L add Lock = Caps_Lock add Control = Control_L It used to work perfectly and it still works in LXDE. So, it must be that something changed in xmonad recently. The error I'm getting is that the "Menu key... its a non existant key". When I used `xev` and press the Menu key it tells me "keycode 135, Menu". So I'm wondering maybe xmonad somehow remaned this key to be Mod_R or something? I tried that actually, didnt seem to work. So my question is, how do I swtich the Right-Control and the Menu keys around? Also as I side note, started xmonad treats the Menu key as Mod key, but the applications still treat it as the Menu key. So when you press it - lets say you press "Mod_Right-1" this will do two things: 1. It will open a Menu in the current app. 2. It will switch to the desktop 2. So to reiterate, I need to switch the Mod_Right with Control_Right. And if possible, to completly remove the Menu key. Normally I achived this doing the following: remove Control = Control_R keysym Menu = Control_R keysym Control_R = Super_L add Control = Control_R Doesnt work anymore. Thanks in advance for your kind help and time. Jenia