The installer lacks admin rights to change system files.
LightBurn requires administrative access to correctly register system files and drivers. If your user account doesn't have full admin rights, or if the installer wasn't explicitly launched as an administrator, Windows may throw a 1603 error out of caution. Locate the downloaded LightBurn .exe installer file. Right-click the file and select Run as administrator . lightburn 1603
Regular maintenance includes cleaning the machine, checking and replacing worn parts as necessary, and keeping the software updated. The installer lacks admin rights to change system files
Ever notice your layer settings aren't going back to "normal" when you start a new project? lightburn 1603
Proceed through the steps until you reach the final page with checkboxes. the box that says "Install FTDI drivers". Click Finish .