Thanks Night Train - have done an uninstall/reinstall
System info below
WindowBlinds version : WindowBlinds 5 (5.5 (build 91 x86))
WindowBlinds is installed correctly on this PC
WindowBlinds appears to be activated on this PC
Your machine supports per pixel borders on WindowBlinds skins.
(Plug and Play Monitor) 1 is attached to NVIDIA GeForce 6200
Wblind.dll 2007/02/14 17:15:20
Wbsrv.dll 2007/02/07 17:31:19
Wbconfig.exe 2007/02/15 13:35:52
Wbload.exe 2006/03/13 17:54:14
Wbhelp.dll 2004/09/18 16:37:07
Wbui.dll 2005/12/06 21:29:06
Tray.dll 2006/04/28 18:26:49
Wbload.dll 2005/01/22 18:05:07