ventilator,
I have no luck compiling GSGUI with DX8.1.
However, I finally found that it may be because I use debug DLLs.
And some of them may not exist on your machine.
So, I recompiled with release configuration.
These distributions no longer LOCKED, (you guess

).
Grab one you want here:
http://centillex.com/files/gsgui_20060312.exehttp://centillex.com/files/gsgui_20060312.zip