If you aren't actually using a serial port, the cleanest "fix" is to disable it at the hardware level.
When searching for "PNP0500 driver verified," be cautious of "Driver Updater" websites. Many of these sites offer ".exe" files that claim to be verified drivers but often contain adware. Because PNP0500 is a , you should never need to download a standalone driver for it from a third-party site. It is already built into the Windows Driver Store ( serial.sys ). pnp0500 driver verified
Have you encountered this issue on a specific brand of laptop or workstation? Drop your model number in the comments below so we can help others find the specific fix! If you aren't actually using a serial port,