fruity loops cracking noise

i am a beginner with fruity loops and after messing around a little and following some tutorials, i found out that i get a lot of cracking noise, i got it when i tried to use the hardcore FX and the 3xOSC thing.
here is a simple project where you can see what i mean
http://~ Dead file host ~/files/340896659/fail004.zip
Answer #1
Must be because either of the plug-ins are demo. 3XOSC is obviously not, so it must be with Hardcore FX, did you check it? Most of the demo VSTs tend to put these sounds as a trademark of their products over a period of time while you do the music using them. Like seashore sounds and stuff.