Posted 3/9/2019 06:42 (#7368671 - in reply to #7367412) Subject: RE: Windows latest update
On Sept 5, 2018 A recent Windows 7 security update has affected the parallel port connection.
Some how it disabled the port. Fortunately a fix was produced.
This affected us that run Mach3. Sometimes a problem only affects
a small group of users.
olf20 / Bob