If this file is missing or corrupted, the software cannot "see" the scanner hardware, resulting in a crash or an error message.
There are several reasons why you might be seeing this error. Identifying the cause can help prevent it from happening again. Usb-barcode-scanner.dll Download Fix
: 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 If this file is missing or corrupted, the