If the device still fails with Code 10:
If you’ve searched for , you’re likely encountering a driver-related issue or a hardware detection problem on a Windows 10 portable device (like a laptop, tablet, or Windows To Go USB drive). Here’s what you need to know. pnp0500 windows 10 portable
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Serial" /v Start /t REG_DWORD /d 1 /f If the device still fails with Code 10:
: If you actually need it (e.g., for a USB-to-Serial adapter), you can sometimes fix it by selecting "Update Driver" -> "Browse my computer" -> "Let me pick from a list" and choosing the Standard Communications Port . for a USB-to-Serial adapter)