Advice on mistracking or some problem

How often do you clean your stylus? Do a discussion forum search for Mr. Clean Magic Eraser. Magic Eraser can be purchased in the cleaning products dept of a grocery store. They are white, ultrafine textured scouring sponges. A small piece can be cut out with a razor blade or exacto knife and glued to the end of a popsicle stick. It is placed flat and the stylus is raised and lowered several times into the magic eraser, which scours off deposits. Sometimes I get a similar sounding noise, but after taking a couple of minutes to clean the stylus it solves the problem. I usually clean the stylus about every 5 LP sides or so. Take some care so the stylus does not get caught in the sponge (hold the sponge still while raising/lowering the stylus), and perform the task so that any debris/sponge residue does not end up on the platter. I also use a stylus brush to remove any potential sponge debris from the stylus afterwards. The sponges are an almost microscopic honeycomb-like texture, and though I have never seen residue come off the sponge, I suppose it could happen.