While hovering over the windows button, the button is cut.

If clicked or if I move out, the button is drawn complete
Edit: Tested with "Aero Metal" and "Diamond". With "Leo" the button is always drawn correctly
Your computer has a Windows Experience Index base score of 3.4
Your Windows Graphics Experience score is 3.4
WindowBlinds version : WindowBlinds 7.0 (build 170 - Windows 7 Edition) - 64 bit OS
WindowBlinds is installed correctly on this PC
WindowBlinds appears to be activated on this PC
(ViewSonic VG2030m) 1 is attached to NVIDIA GeForce 8500 (GF 8400 + GF 8200)
(Generic PnP Monitor) 2 is attached to NVIDIA GeForce 8500 (GF 8400 + GF 8200)
Wblind.dll 2009/06/04 15:30:20
Wblind64.dll 2009/06/04 15:31:44
Wbsrv.dll 2009/06/04 12:48:52
Wbconfig.exe 2009/06/04 15:49:02
Wbload.exe 2009/06/02 14:39:14
Wbhelp.dll 2009/05/14 14:39:07
Tray.dll 2009/05/14 14:39:21
Wbload.dll 2009/03/17 09:36:29
Screen.exe 2009/06/04 12:48:09