Enables the computer to display video through the USB 3.0 or 2.0 port rather than a traditional VGA or HDMI port.
The driver installation might freeze, or the projector may simply not display an image, showing an empty USB Video Device in the Device Manager. How to Fix dlusb-c120.exe Issues (Step-by-Step)
For many users, this executable raises immediate questions: Is this file safe? Is it a virus? Why is it trying to run on my machine?
The dlusb-c120.exe file is responsible for installing the DisplayLink software and drivers necessary for the Acer C120 projector to interpret video signals sent directly through a USB 2.0 or 3.0 connection. USB-based display driver. Hardware: Acer C120 DLP Portable Projector. dlusb-c120.exe
If you find this file in suspicious locations such as C:\Windows\System32\ , C:\Users\[YourName]\AppData\Roaming\ , or C:\Temp\ with a random name, you should be cautious.
When you connect the Acer C120 to your computer via USB, the projector's built-in memory presents a virtual CD drive. After granting necessary permissions, running this executable kicks off a streamlined process:
: It initializes the Grain Media GM12U320 controller inside the projector. Enables the computer to display video through the USB 3
Use the (usually blue) for better data transfer and brightness.
Installs the necessary software drivers to allow your computer's operating system to communicate with a specific hardware device via a USB port.
Look for entries named "USB Data Link", "USB-to-Serial Driver", or anything matching the manufacturer of your cable. Click and follow the prompts. Method B: Manual File and Driver Deletion Is it a virus
For official manuals and technical support, users can visit the Acer C120 Product Support page Are you having trouble running the file or is your computer not recognizing the projector at all? Product Support - C120 | Acer United States
This is the most critical question. The legitimate version of is safe , but because it exists outside Microsoft’s signed driver ecosystem, malware authors sometimes use similar filenames to disguise their payloads.
The file carries a user safety rating of approximately 74%, though some utility sites label it with a "68% dangerous" tag simply because it is not a Windows system file, can run in the background, and can be flagged by overly aggressive antivirus heuristics.