Hi Henrique, i opt for a brute-force solution: uninstall skype-staticqt and install skype, so windows role come out... i don't know why... So i rearrange again my layout and now it looks like that: tabLayout = (tabbed shrinkText myTabbedTheme) comL = avoidStruts $ smartBorders $ combineTwoP (dragPane Horizontal 0.1 0.5) (withIM (0.20) (pidginRoster) tabLayout) (withIM (0.20) (skypeRoster) tabLayout) (ClassName "Pidgin") pidginRoster = (ClassName "Pidgin") `And` (Role "buddy_list") skypeRoster = (ClassName "Skype") `And` (Not (Title "Options")) `And` (Not (Role "Chats")) `And` (Not (Role "CallWindowForm")) it works perfect! Thanks for all suggestions! :-) Kudos to you and to XMonad of course! :-D Cheers, ff0000