TCP/IP Protocol Driver failure

I have a computer that was operating fine, and then today, in the event viewer I see 100's of TCP/IP errors, I cannot connect to the access point (however the client portion of Netgear does show connected), but I do not get an IP address.  When I run IPCONFIG to review, I get:
An internal error occurred: The request is not supported.
Please contact Microsoft Product Support Services for further help.
Additional information: Unable to query host name.

In the event viewer, I am seeing "The TCP/IP Protocol Driver service failed to start due to the following error: the specified driver is invalid."

I reviewed c:\windows\system32 and I do not see afd.sys, tcpip.sys, or netbt.sys.  I have attempted to rebuild winsock with the command: netsh winsock reset, but this has had no effect.

I appreciate any and all advice!

Casey
whynotAsked:
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Rob WilliamsCommented:
I would try un-installing the network adapter and re-installing with the latest drivers.
Before doing so you can try completely rebuilding the TCP/IP stack by entering at a command line:
netsh  int  ip  reset  c:\reset.txt
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whynotAuthor Commented:
Robwill...I will try this and let you know.  Thanks!
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and235100Commented:
If that doesn't work - try unchecking the box next to Internet Protocol (TCP/IP) in your network card properties.
Click OK and reboot - then reinstall the protocol in the same configuration page.
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ChiefITCommented:
Check and see if you are now using IP version 6 behind a IP version 4 router.
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whynotAuthor Commented:
I tried all of the above, but I still have the same issues...when I go to Device Manager and un-hide, I even see TCP/IP with a fault.  I really do not want to rebuild this system.  Anything else?
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Rob WilliamsCommented:
Try deleting those hidden adapters when re-installing the network adapter. Sometimes those "ghost" devices can interfere with normal operation.
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ChiefITCommented:
Download IP Sniffer.  
http://www.scanwith.com/download/IP_Sniffer.htm

and see if you can find the problem
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ChiefITCommented:
Can  you give us system specs:

Service tag:
Make
Model
Custom or manufaturer build?
chipset
Onboard lan or PCI Lan?
OS version and service pack

All would help in trying to find an adapter.

NVIDIA Chipset drivers that integrate on board LAN Have a known problem with the code. You may have to update your driver from NVIDIA instead of Dell. This error May pertain to your computer. So system information would help us determine if you recieved a bad third-party driver.
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whynotAuthor Commented:
I am not sure the specs will do much...this is a system that has been up for over 1 year.  The card is an ATI AGP card.  The MOBO I am not sure of without dissecting it, and the CPU is an AMD.  The LAN is onboard and the WLAN is a PCI Netgear card.  

I removed the 'ghost' TCP/IP Protocol Driver from the Non-plug and play drivers (it had a yellow exclamation).  I rebooted and attempted to reinstall TCP/IP as advised, but no change.  In fact, now the TCP/IP Protocol Driver is gone and will not re-install.  Any other advice?
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and235100Commented:
I think that a repair install is the next step:
http://www.michaelstevenstech.com/XPrepairinstall.htm

It sounds like you have something major wrong if the Internet Protocol is unavailable. Hopefully this will be a quicker fix than attempting to recover it.
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whynotAuthor Commented:
I was able to finally recover...I went back to over a month ago, and now all seems fine.  Still very disconcerting as what caused the fault.  Thank you all for your advice.
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Rob WilliamsCommented:
Good to hear. Odd that none of those repair options worked.
Cheers !
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JCastro197Commented:
I started having this problem earlier today at my office. The only solution above that worked for me was to follow the latest comment by and235100, which was to follow through with a repair installation. I decided to not use a backup because if this issue was caused by malicious software, I did not want it resurfacing. Thanks to all that replied.
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