Dlusb-c120.exe 【UHD】

: It is a "plug-and-play" driver that typically resides on the projector's internal memory. When you connect the projector via USB, it acts like a virtual CD drive or flash drive, and this executable is meant to launch automatically to establish the display connection. "Long Feature" (Compatibility)

software, which allows your computer to transmit its screen image to the projector via a single USB cable without needing traditional video drivers. Acer Community Instructions for Use dlusb-c120.exe

Which are you using (e.g., Windows 11 Home, Windows 10 Pro)? Are you using the original USB Y-cable ? : It is a "plug-and-play" driver that typically