If you are using an older Martin USB-DMX box on Windows 10 or 11, the OS will likely block the drivers. You must boot Windows into "Disable Driver Signature Enforcement" mode to complete the install.
Right-click the LightJockey.exe and set it to "Run as Administrator" and "Compatibility Mode for Windows 7." martin lightjockey 295 build 1 download better
It is the most stable version for the original Martin USB-DMX Interface (the "grey box"). If you are using an older Martin USB-DMX