WindowFX causes black borders to appear

I recently got WinFX, as I thought my box could handle it, but I was proven very wrong today. It's not memory usage, as WinFX only uses 2 megs of RAM, and probably not CPU, either, but it seems to be that everything lags down with WinFX loaded. The animations don't work 100% of the time, and everything dies if I apply a minimize animation. One of the most annoying issues is the a black border appears at the bottom right part of windows.

I'm using WinFX 3.0 on Windows XP SP2. System Specs:

4 GB of DDR2 RAM
Intel Pentium 4 'Prescott' with HT, @ 3.00GHz
nVidia GeForce 8600 GTS 256MB GDDR3 PCI-E


My processor is teh suck right now, and I'm planning on getting a Wolfdale to replace the Prescott.

What WB 6.0 says:

WindowBlinds version : WindowBlinds 6.02 (build 43 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 8600 GTS

Wblind.dll         2008/01/08 14:01:20
Wbsrv.dll         2008/07/26 09:34:10
Wbconfig.exe         2008/01/11 13:36:35
Wbload.exe         2007/09/27 15:42:44
Wbhelp.dll         2007/07/11 14:06:07
Wbui.dll         2007/11/05 20:20:05
Tray.dll              2007/09/12 17:58:21
Screen.exe         2008/07/26 09:34:18


I'd upload an image of the issue, but photobucket isn't working for me at the moment.