My trainer didn't work on Windows XP & Vista, but it does work with the whole project.
So here's the whole project.
The .exe is here: Trainer\Trainer\bin\Debug\Trainer.exe
And now you can edit it yourself too
Primairy Weapon Completer.
Secondairy Weapon Completer. (Only does Marksman)
Single Player Hacks.
Spec Ops Star Achiever.
Blubb1337 - Module and his .dll (eventho I don't use the last one).
House - Helped me with the messagebox.
iFireLazers - Helped me with the broken weapons (he didn't actually fix it but he did help me see the problem).
Me - Made the whole thing.
v2.0 - Fixed the old version.
v2.1 - Added Secondairies & Riot Challenges.
v2.11 - The Riot Challenges were wrong, fixed them.