Hmm
Okay, first off, I'd avoid using FL's default samples in tracks, especially for an intro, where it's most obvious.
And your guitar solos are seriously lacking in structure, a guitar solo isn't just a random note roll, they are usually based around scales, and make sense musically.
The main riff is similarly all over the place.
However, with some work and further practise you could fix this.
All I can suggest is that you somehow acquire the full version of FL (your means of doing so are none of my business, claims that serial codes can be found on torrent sites are unverified...) and work on it, because although you seem to have worked out how to use the program, but you need practise!
Listen to more music, specifically the genre which you are trying to create, listen to melodic aspects, and work on it.
The talent is there, but it just doesn't flow well enough, or make sense melodically.
Good luck on future submissions.