Need to be just a little more specific, what OS, version of WB and the theme names this happens with. A screenshot might prove to be helpful also.
Like I said it happens with all of the themes that alter the lose, minimize and maximize icons that are at the top right of windows.
There are no problems with Aero themes, cideral, recycled, wall.
Using Windows 7 X64. WindowBlinds is 8.01 (installed latest versions of all of the programs that came with Object Dektop.