Please give a help. Here after my system info. Thanks
Your computer has a Windows Experience Index base score of 4.7
Your Windows Graphics Experience score is 5.7
WindowBlinds version : WindowBlinds 6.3 (build 112 x86 - Vista Edition)
WindowBlinds is installed correctly on this PC 
WindowBlinds appears to be activated on this PC
(Moniteur Plug-and-Play générique) 1 is attached to NVIDIA GeForce 8500 GT
Wblind.dll      2008/11/06 13:22:20
Wbsrv.dll      2008/09/16 08:44:22
Wbconfig.exe      2008/11/18 18:15:54
Wbload.exe      2008/04/26 16:14:14
Wbhelp.dll      2008/04/26 16:14:07
Tray.dll           2008/04/26 16:14:21
Wbload.dll           2008/04/26 16:14:28
Screen.exe      2008/07/15 11:31:09