Invaled G Code block=0

[DWalls]

Found this old post that should tell you how to fix the edit g code in mach3

Using Edit G-Code in Mach3

I tried this several times the screen would flicker but nothing opened and I ended up going straight to the tap file manually with notepad and editing the tap but that was a few more steps. [Edit] I was looking into the Mach3 Config today and saw the default folder for notepad.exe was WINNT not WINDOWS. [WINNT%20as%20installed] Use the browse button direct it over to the WINDOWS folder and select notepad.exe and click open [Notepad] and done [Done] Now if you click edit G-Code in will op…

Good luck