BSOD in Windows 7 stop code 0x000000D1 with NETIO.sys

Hi,

1. Have you made any changes on the computer prior to the issue?
2. When exactly you are facing the issue?

Method 1:
You may refer the link provided and check:
Using two Windows Filtering Platform (WFP) drivers causes a computer to crash when the computer is running Windows Vista, Windows 7, or Windows Server 2008
http://support.microsoft.com/kb/979278/en

Method 2:
You may also refer the link provided:
Stop error on a Windows Server 2008 R2-based or Windows 7-based computer when the operating
system uses a virtual storport miniport driver to save a dump file or a hibernation file: "0x000000D1"
http://support.microsoft.com/kb/2320550

Also refer the link:
Stop error when you resume a computer that is running Windows 7 or Windows Server 2008 R2
from sleep or from hibernation: "STOP: 0x000000D1"
http://support.microsoft.com/kb/978982

Method 3:
You may also reinstall the drivers for network adapter check:

Steps to update network driver:
a.    Click on start button.
b.    In the search box type devmgmt.msc and then press enter.
c.    Select the network card device and right click on it
d.    Now select properties.
e.    In the properties window, under Driver tab, click on Update Driver button.
f.    After the installing the updates restart the computer.

For more information visit: http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly

You may also refer the link
Resolving stop (blue screen) errors in Windows 7
http://windows.microsoft.com/en-us/windows7/Resolving-stop-blue-screen-errors-in-Windows-7