Cause: The driver is loaded twice, or the scanner is in "USB COM" mode but the computer expects "Keyboard Wedge."

Fix:

Cause: Windows Secure Boot or Driver Signature Enforcement is blocking the installation. Fix:

A: Not necessarily, but updating is recommended for security and compatibility—especially if you plan to upgrade to Windows 11 24H2 or use the scanner with modern USB-C hubs.

Once you have downloaded the legitimate wincode c342 driver new file (e.g., Wincode_C342_Driver_v4.2.7.exe), follow these steps carefully:

This is the most reliable method.

Step 1: Uninstall Old Drivers Before installing a new driver, purge the old one:

Step 2: Download the Authentic New Driver Do not trust random third-party sites. The safest source is:

Step 3: Run the Installer

Step 4: Connect and Finalize

Step 5: Test