Problem seems to indeed be newest Synaptics driver, Windows update must have updated that as well at some point. Only difference from your solution is that I found only version 19.0.19.68 but that seems to work as well.
Problem seems to indeed be newest Synaptics driver, Windows update must have updated that as well at some point. Only difference from your solution is that I found only version 19.0.19.68 but that seems to work as well.