If dlusb-c120.exe runs at startup and establishes network connections, treat it as high‑risk. Steps:

I cannot draft an article about this file because no credible source documents it as legitimate. Writing about it as if it were a known software component would be misleading and potentially dangerous. If you believe the file came from a specific device or installer, contact that manufacturer directly. Otherwise, assume it’s malicious.

– Legitimate versions are typically between 500 KB and 5 MB. If the file is over 20 MB or under 200 KB, be suspicious.

is not a standard Windows system file. Instead, it is a third-party driver installer executable, primarily associated with USB-to-UART bridge controllers manufactured by Silicon Labs (Silicon Laboratories) and distributed by various hardware vendors.

The utility will launch in your system tray and project the laptop display. Troubleshooting Common Launch Failures

: The Acer DisplayPal icon will appear in the system tray displaying the status: "C120 detected" . Troubleshooting Common Errors

On older systems, this file would launch automatically like a virtual CD-ROM. On modern Windows 10 and 11 machines, security settings often block it. Here is how to get your display back up and running. 1. Run in Compatibility Mode