Just bought a new (cheap) laptop and I'm having the exact same problem as Moletai.
Checkboxes seem unchecked, and clicking them seems to have no effect.
WindowBlinds 5.0 System Information Report:
STATUS : WB+ SRV+ HLP+ UI+ TRAY+
WindowBlinds is installed correctly on this PC.
WindowBlinds appears to be activated on this PC
Your machine supports per pixel borders on WindowBlinds skins.
You have one monitor in total.
(Plug and Play Monitor) 1 is attached to SiS M760GX
Wblind.dll 2005/12/20 22:41:38Wbsrv.dll 2005/12/20 22:57:44Wbconfig.exe 2005/12/05 18:42:52Wbload.exe 2005/12/21 00:04:40Wbhelp.dll 2004/09/18 16:37:00Wbui.dll 2005/12/06 21:29:06Tray.dll 2005/11/02 13:28:26
OK, in 16 bits, checkboxes are back. Except now I have other display problems, as expected in 16 bits. Seems I have the latest drivers for my SiS gfx adapter though.