Executable stub injection?

Miscellaneous Forums/General Discussion/Executable stub injection?

I want to make the Blitz3D exe notify the user what component they need to run, if not installed, the stub will quit the program like this:

"You must have DirectX 9 installed" or
"You need xvid codec installed"

I don't know PE, but I think there might be having some tools for this job ,as some protector can add a trial splash or something.