Windows System Error Code 638 – ERROR_PNP_REBOOT_REQUIRED (0x27E)]

In this post, you’ll learn about the Windows System Error ERROR_PNP_REBOOT_REQUIRED (0x27E)] and the reason why you are receiving the error message

How does this Error in Windows Look like?

Error Code 638 ERROR_PNP_REBOOT_REQUIRED (0x27E)]

Why do you receive the System Error Error Code 638 ERROR_PNP_REBOOT_REQUIRED (0x27E)] in Windows?

Device will not start without a reboot.