Rush job and CNC throwing a hissy fit.

[alboy]

Well I have to admit that I have never had a problem with Mach3 till now and the 2010 screen set with auto tool height adjustment has been a real time saver. I am pretty sure that in this case the main protagonist was windows rather than Mach3 looks like it was a corrupt registry entry.

[Ger21]

Make a backup of your .xml file, and if you ever run into something strange again, try replacing the .xml first.