It seems to work fine here on a quick run... if you Submit what you posted above we can add it to our Site News later today so more people can try it out.
Update: I have now added it to the Site News for you.
on programm erros
Right-click the program icon run as administrator
or
PS3 Theme Greator.exe
p3textractor\p3textractor.exe
ps3c\p3tcompiler.exe
ps3c\GimConv\GimConv.exe
Set a program to always run as administrator
If you have a program that you run frequently, you can set the program to always run as administrator. To do this, use the following steps:
1. Right-click the program icon and click Properties.
2. On the Property sheet, click the Compatibility tab.
3. Under Privilege Level, select the Run this program as an administrator check box, and then click OK.
PS3 Theme Generator GUI released! 
