Cause: Corrupted module library file.
Fix:

Cause: V3.56 expects a physical dongle or license file from older installations.
Fix: Copy the license.key file from your old LED folder into C:\LEDControl\V3.56\License. If missing, contact your vendor for a new .key file.

If you already have an older version installed, you don’t need to remove everything. Follow this in-place update procedure:

Note: Some advanced macros (JavaScript-based animations) from V3.42 may not work in V3.56. Recompile them using the new Macro Editor.

  • Install to Default Path: C:\LEDSoft\V3.56\ – avoid spaces in folder names.
  • Complete & Reboot: Restart your PC to finalize driver installation.