Titlebars not being skinned correctly

Hello, I have had Windowblinds 6 for a while now, working flawlessly. However, I just rebooted my computer after fixing some parts, the speaker to be exact, and have had the titlebars not work:

Can anyone help?

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WindowBlinds version : WindowBlinds 6.4 (build 73 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.

(Default Monitor) 1 is attached to NVIDIA GeForce Go 7900 GTX

Wblind.dll     2009/03/24 17:04:20

Wbsrv.dll     2009/02/05 14:39:58

Wbconfig.exe     2009/02/10 14:13:20

Wbload.exe     2008/04/26 16:14:14

Wbhelp.dll     2008/04/26 16:14:07

Wbui.dll     2008/04/26 16:14:05

Tray.dll           2008/04/26 16:14:21

Screen.exe     2008/07/15 11:31:09