WARNING: There are reports on CNCZone that Mach3 no longer runs on win 10 when update 1803 is installed. Apparently it hangs just after the splash screens. Thi sis not just the PP driver, it is the main Mach3 process - independent of of what motion device is used.
If you are running Mach3/MSM on Win10, Turn off updates and avoid 1803 at least until more is know about the situation.
Dave