You may receive a Stop error message that resembles one of the following after you resume a computer from sleep or from hibernation:

Error message 1:

STOP 127 PAGE_NOT_ZERO_NVIDIA_USB

This error occurs on a computer that uses 2 gigabytes (GB) or more of RAM and an nVidia nForce EHCI controller.

Error message 2:

STOP 0×1000007E usbhub.sys SYSTEM_THREAD_EXCEPTION_NOT_HANDLED

This error occurs because of a race condition in the Usbhub.sys driver. This condition occurs if a USB device driver tries to enter a selective suspend state when a previously canceled selective suspend request has not yet been fully processed.