Philly0381, what I'm referring to is the "Window Color and Appearance" setting in "Personalization". In my Appearance Settings, the Vista scheme keeps getting changed from Aero to Standard.
The effect this has on any WB skin I use means that menus go from the smooth/curved menus of the skin, for example...

...to blocky and ugly.

To Hankers, here ya go.
Your computer has a Windows Experience Index base score of 3
Your Windows Graphics Experience score is 3
WindowBlinds version : WindowBlinds 6.0 (build 49 x86 - Vista Edition)
WindowBlinds is installed correctly on this PC
WindowBlinds appears to be activated on this PC
(Generic Non-PnP Monitor) 1 is attached to NVIDIA GeForce 8400M GS
Wblind.dll 2007/10/01 12:34:20
Wbsrv.dll 2008/03/27 09:43:26
Wbconfig.exe 2007/10/01 18:09:33
Wbload.exe 2007/09/27 16:42:44
Wbhelp.dll 2007/07/11 15:06:07
Tray.dll 2007/09/12 18:52:21
Wbload.dll 2007/09/12 18:58:28
Screen.exe 2008/03/27 09:43:24