-pnp0500: Driver
Before you can fix the problem, you must understand the hardware component you are dealing with. The code "PNP0500" is a Hardware ID (HWID) used by the Advanced Configuration and Power Interface (ACPI).
Some USB-to-Serial adapters or specialized hardware emulate this standard ID to ensure compatibility with legacy software. -pnp0500 Driver
The driver you need is already embedded inside Windows. It is called the ( serial.sys ). The problem is that Windows has failed to automatically apply it. Before you can fix the problem, you must