Extract the contents to a dedicated folder on your local drive (e.g., C:\ZLG_Drivers\ ). Step 2: Connect the Hardware
Restart your PC in Disable Driver Signature Enforcement mode to complete the installation, or download the latest updated software package from ZLG that features a modern SHA-256 digital certificate. 2. Device Disconnects Frequently or Drops Packets
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Follow the on-screen prompts, agreeing to the license terms, and wait for the files to copy to your system directory. Step 3: Connect Hardware and Verify
: For specific tools like CANTest or CANPro, you may need to manually back up the existing ControlCAN.dll in the installation directory and replace it with the high-quality version provided by ZLG or your vendor to ensure full compatibility. Extract the contents to a dedicated folder on
Click . Windows will verify the digital signature and install the driver files. Step 5: Verify Successful Installation
Some users have reported that Windows 11 may attempt to auto-install a generic CDC/ACM driver. This can break communication; you must manually override it with the official ZLG .INF files. Device Disconnects Frequently or Drops Packets To help
Verify that or "USBCAN" appears without any warning flags. Open your CAN analysis tool (such as CANTest).
This is the most reliable source for the latest firmware and driver packages.
: This is the recommended high-performance application for modern Windows systems (Win 7/8/10/11). You can find the ZCANPRO Setup on the official site.