If my guess with the uncontrolled jumping is correct I suspect a profile problem or a driver problem, but it can have many causes and is just a guess, let’s see what comes out in the end. When I read Offset I thought your tablet pointer had a constant offset, however according to your description it is a “wild uncoordinated jumping around”, did I understand that correctly? Hello and welcome to the forum let’s start with the annoying questions (questions that often sound stupid, but I don’t know your working environment and to help we need information here in the forum).