I am having the exact same problem after updating to WB 6.02.024.
Your computer has a Windows Experience Index base score of 1
Your Windows Graphics Experience score is 1.9
WindowBlinds version : WindowBlinds 6.02 (build 74 x86 - Vista Edition)
WindowBlinds is installed correctly on this PC
WindowBlinds appears to be activated on this PC
(Generic PnP Monitor) 1 is attached to Intel(R) 82915G/GV/910GL Express Chipset Family (Microsoft Corporation - XDDM)
Wblind.dll 2008/01/14 17:02:20
Wbsrv.dll 2008/01/14 17:02:35
Wbconfig.exe 2008/01/14 17:02:35
Wbload.exe 2007/09/27 17:47:44
Wbhelp.dll 2007/08/27 11:54:07
Tray.dll 2007/09/12 17:58:21
Wbload.dll 2007/09/12 17:58:28
Screen.exe 2008/01/14 17:02:18
On first and second open:
Third time's a charm: