Possibly. Some AVs flag driver installers as “Riskware” because they modify system-level COM ports. Submit the file to your AV vendor as a false positive if you’re certain of its origin.
: The device often shows up as an "Unknown Device" if the launcher doesn't trigger.
If you no longer need the driver or suspect a problematic installation:
. Unlike standard HDMI projectors, the C120 relies on "Display over USB" technology, which requires this specific executable to mirror or extend your computer screen. Projectisle.com.au Core Functionality Driver-Free Projection
Locate and double-click to start projecting. dlusb-c120.exe
your antivirus after the installation is complete. 4. Compatibility Mode
dlusb-c120.exe (often referred to as dlusb_launcherC120.exe ) is the dedicated launcher and driver software Acer C120 USB Projector
You may see an error in Device Manager saying "Windows has stopped this device because it has reported problems. (Code 43)". This is often a driver conflict.
Locate the device (often under Universal Serial Bus controllers or Ports (COM & LPT) ). Right-click the device and select . Restart your computer. Possibly
Disclaimer: This article is for educational purposes only. Always exercise caution when downloading and running executables.
This comprehensive guide covers the file's functionality, installation workflows, common modern errors, and manual workarounds. File Overview and Functionality Core Attribute Acer DisplayPal Underlying Chipset Grain Media GM12U320 (USB Display Controller) Execution Method Windows AutoPlay / Manual Trigger System Architecture Intended for 32-bit/64-bit Windows environments
: On many systems, it allows the projector to work without requiring a pre-installed permanent driver, making it portable for presentations. Acer Community Common Issues and Troubleshooting
If the file is saved directly in C:\Windows or C:\Windows\System32 , it is highly likely to be malware. : The device often shows up as an
: Open Windows Explorer ( Win + E ) and find the newly listed drive volume labeled under the projector's internal memory.
(often appearing as dlusb_launcherC120.exe ) is the dedicated display driver launcher for the Acer C120 Pico Projector Go to product viewer dialog for this item.
: The C120 uses a proprietary USB cable that can draw power from two ports simultaneously to boost brightness from 75 lumens (standard USB) 100 lumens (boosted) Performance Dependency