Hi @cetapc COM port should not show up with Analog Discovery. This is disabled in EEPROM config but it can be force enabled from software and an app/service keeping the COM busy prevents access to the device. 1. Make sure to uncheck "Load VCP" then reconnect the device. I don't know why would the "My device is not listed" crash. This tries to load the FTDI library dynamically and it is safeguarded all around... may be caused by a buggy library version. 2. Make sure the driver v