When I go to system preferences and then groups and users, it is showing that a guest user has set up a profile. I did not set this up. My computer won't let me erase this user. The "minus" symbol at the bottom of the tab is highlighted grey and my mouse can...
initiated the drag in, the problem goes away. The problem is not associated with the trackpad. It persists even when using my old USB mouse and with my mighty mouse. I have all one-touch settings turned off. See attached screen caps of my trackpad, mouse, and universal access settings....