Right-click the file, select Properties , and navigate to the Digital Signatures tab. Legitimate software developers sign their executables to guarantee authenticity.
The file (commonly variants like dlusb_launcherC120.exe ) is the official driver installation program and utility launcher for the Acer C120 Pico Projector , designed to enable the "Display over USB" feature on Windows laptops and computers. This executable file runs the Acer DisplayPal utility, which allows the projector to clone or extend a laptop screen using a single USB 2.0 or USB 3.0 cable, eliminating the need for traditional HDMI or VGA cords. What is dlusb-c120.exe?
According to the official Acer C120 user manual, your computer should meet the following minimum requirements for a stable experience:
The file (often labeled as dlusb_launcherC120.exe ) is the core executable driver and launcher for the Acer C120 Pico Projector . Because the dlusb-c120.exe
: Create a script or wrapper that automatically sets the file's properties to Windows 7 Compatibility Mode and Run as Administrator . Driverless "Plug-and-Play" Emulation :
: If the program fails to load, navigate to your Windows Search bar, type AutoPlay Settings , and switch the option to "Install or run program from your media" .
This file is typically an executable installer or a standalone utility used to facilitate data transfer between a PC and a device connected via the C-120 USB cable. These types of cables are often used to connect older legacy devices (such as older mobile phones, PDAs, or specialized industrial equipment) to a modern USB port. Right-click the file, select Properties , and navigate
If the file is saved directly in C:\Windows or C:\Windows\System32 , it is highly likely to be malware.
to a Windows computer, the projector often appears as a virtual CD-ROM drive. Inside this drive, you will find dlusb_launcherC120.exe . Running this file initiates , the utility that enables the "plug-and-play" projection experience.
: Right-click on dlusb-c120.exe (or dlusb_launcherC120.exe ) within the root directory of that drive and select Run as Administrator . This executable file runs the Acer DisplayPal utility,
A: This problem is often related to USB bandwidth or driver issues. First, try disconnecting other USB devices (like external hard drives, webcams, or charging cables) to free up bandwidth for the projector. If the problem persists, go to Device Manager , uninstall the Acer C120 driver, and then reinstall it by running dlusb_launcherC120.exe again.
: A Windows AutoPlay dialog box will usually pop up. Select "Run dlusb_launcherC120.exe" .