Wow made me work for this one.  Apparently this has been an issue and like normal micosoft is aware of it and is currently working on a solution in the meantime I went to many, many forums and they all tried a lot of stuff and none of it seemed to work...except this one from http://www.ehow.com/how_4815578_install-netgear-wireless-router-cd.html  he says to install it without using the cd to work around this issue, out of the billions and billions of forum threads I read this seems to be the only one that worked all the others said at the bottom that they tried what was suggested and is trying to contact att support...apparently with very little success which really isn't surprizing as they do acknowledge the issue and are currently working on a solution..sounds familar, eh?  Hope this works for your

1. Manual Installation of the Netgear Wireless Router

2. 1

   Turn off your computer and modem.

3. 2

   Locate the Ethernet cord that runs from your modem to your computer. Unplug the end from your computer.

4. 3

   Take the unplugged end and plug it into the Ethernet port on the back of the Netgear router.

5. 4

   Plug the Ethernet cable that came with the router into the LAN 1 port on the back of the router. Plug the other end into the Ethernet port on the back of your PC, the same port you unplugged the Ethernet cable from in Step 2.

6. 5

   Plug in the modem and turn the power on. Wait 2 minutes.

7. 6

   Plug in the router. Wait another 2 minutes.

8. 7

   Turn on your computer and check the lights on the front of the router. All four lights should be lit. If the third light is not lit, check the Ethernet connection from the router to the modem, making sure it is secure and the modem is turned on. If the fourth is not lit, check the Ethernet connection from the router to the PC, making sure the connection is secure and the computer is turned on.

   Connecting to and Setting up the Router

9. 1

   Open your Internet browser and type "www.routerlogin.net" into the address bar.

10. 2

    A login window will open and ask for a username and password. Enter "admin" for username and "password" for the password. This is the default setting for Netgear. If it does not work, check the paperwork that came with the router.

11. 3

    Once you connect to the router, a setup wizard will open. This setup wizard will walk you through the final process of configuring your router.

Read more: How to Install a Netgear Wireless Router Without the CD | eHow.com http://www.ehow.com/how_4815578_install-netgear-wireless-router-cd.html#ixzz0zf7Nprfk

you can follow below tutorial.

8 methods to Fix error 651 easily

Error 651 occurs in windows operating system because of some network problem and specially when we try to establish internet connection using PPPoE connections or another related issue

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You refer to the sites below.

Website

Have you tried checking if it's a WiFi Related issue?

You can check the process of snes emulator here.

To work around this issue, follow these steps:
Press the Windows logo Key+R to open the Run box.
Type regedit in the Run box, and then press Enter.
Locate and then select the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}\\Linkage
Note In this subkey, is a placeholder for a 4-digit number that represents the ISDN device.
Right-click UpperBind, and then click Modify.
In the Value data box, type NdiscoWan, and then click OK.
Exit Registry Editor.

Just follow these steps.

Are you talking about this one: 

Its amazing by the way!

I had also this error. I have overcome this error in a website:

http://techola.net/connection-failed-with-error-651/