Why do i get alot of interference through my mic, logic express 8 and fast track

[man in need]

im using logic express 8 to record lyrics over an instrumental beat imported from i tunes and my mic is plugged in via fats track m-audio box and im gettin a lot of interference when recording and cant hear myself properly.. what is the issue..?? PLEASE PLEASE HELP im going gray.. thank you

 

[soundguruman]

"im gettin a lot of interference when recording"
You are going to need to describe the interference (WHAT?) better than that, or post an audio clip.
Describe the problem with DETAILS.