If the error continues to pop up on startup, you can isolate it by disabling unnecessary background applications. Press Windows Key + R , type msconfig , and press .
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Select or Windows 7 from the dropdown menu. Check the box for "Run this program as an administrator" . Click Apply and then OK , then run the installer. Step 2: Disable Driver Signature Enforcement (Advanced)
: The C120 requires significant power. Ensure you are using a functional USB 3.0 port (usually blue) or use the "double-headed" USB cable that came with the device to plug into two ports simultaneously for extra power. dlusb-c120.exe
Right-click the file, go to Properties , and check the Digital Signatures tab. Legitimate driver files generally feature a valid signature from the developer. Common dlusb-c120.exe Error Messages
Modern Windows systems block unauthorized executables from running automatically over USB to prevent malware infections.
Are you getting a (like "App can't run on this PC") or is the projector just showing a black screen ? Product Support - C120 | Acer United States If the error continues to pop up on
A legitimate driver rarely consumes massive amounts of processing power. If it hogs your CPU, it warrants investigation.
If you are looking to improve or stabilize the functionality of this projector, focus on these areas: :
The dlusb-c120.exe file is a legitimate driver installer provided by Acer. However, always ensure you are running the file from the official USB drive included with the device or a download from the official Acer website to avoid malicious, disguised files. If you are still having trouble getting the Acer C120 projector to work, I can help you with: This link or copies made by others cannot be deleted
Users might encounter several issues with dlusb-c120.exe, including:
Delete all files and folders within this directory. Skip any files that the system says are currently in use. Best Practices for Prevention
Are you trying to or build a new application to control the projector? Acer C120 projector installation on Windows 10 not working