Hello, Yes it's in the UI. there is no error message, just an empty screen where you chose the output file location. The log file name: 'logs\V2V_Log-20210111-183131.log' (PID 8384) 1/11 18:31:31.972 3834 Facility ???INFO: CV2V_ConverterApp::InitInstance: SetDllDirectory: C:\Program Files\StarWind S...