It seems that the double touch issue regarding UE-43213 was discussed and solved once before. But, for some reason, I seem to be having similar issues that may be caused by this same problem. How do I fix it?

It seems that the double touch issue regarding UE-43213 was discussed and solved once before. But, for some reason, I seem to be having similar issues that may be caused by this same problem. How do I fix it?