Find your barcode scanner under "Universal Serial Bus controllers" or "Human Interface Devices." Right-click it and select . 4. Manually Replace the DLL (Expert Only)
: The easiest fix is to reinstall the application that is throwing the error. Most programs include all necessary DLLs in their installation packages. Restore the missing file Usb-barcode-scanner.dll Download Fix
Usb-barcode-scanner.dll errors can occur due to a variety of reasons, including: Find your barcode scanner under "Universal Serial Bus