What version are you running (Windows 10, 11, or older)? What exact error message or code appears in Device Manager? Which Omron PLC model are you trying to program?
The is a specialized programming cable used to connect a computer to Omron PLCs , including the CS, CJ, CQM1H, and CPM2C series . It functions by converting a USB interface into a simulated RS232 serial COM port, allowing industrial software like CX-Programmer to communicate with the hardware. Official Driver Download Links amsamotion usbcn226 driver download link
Download the core driver executable package directly through the AMSAMOTION Official Cable Driver Page. What version are you running (Windows 10, 11, or older)
Before installing the driver, it helps to understand what the USB-CN226 cable brings to your automation projects: including the CS