Your top thread is way too loose . It needs to be tightened until you get a good stitch. Go a little at a time and try the stitch. You should not have loops from the top. If the loops are on the bottom, your top thread is getting tighter and tighter going through the machine. My daugher told me to get a cone thread holder so that the thread would come off easily into the machine. Solved all my problems. I hope that makes sense.