Dear Peter,
I've tried the system in various instances of Windows XP (even without Visual Studio 2005 installed) and everything worked fine. I did use the most updated versions of Windows XP.
Did you, by any chance, remove the "*.manifest" files?
In case you still have problems running the executables, you should consider installing on your system(s) the Microsoft Visual C++ 2005 Redistributable Package (x86) - also available from my site.
Hope this helps,
Maurizio