Same fore QuickDMXmarcpbcup wrote: Mon Feb 16, 2026 3:11 pm I can confirm OP's post that ShowXpress 9 needs to be installed on the system parallel to TLC II otherwise the latter complains that efk_USB is not found. Windows 10 or Windows 11.
Had to have v9 installed got get the USB drivers installed correct. After that, it works