Manual Uninstall of VPN client has caused machine not to send/recieve packet over the network

Hi Guys,

I had to do a manual install for  Ciso VPN 4.8 for one of the domain user.
to do that  deleted dne2000.sys and renamed CSGina.dll  (don't ask why i dare -:)).
Since that machine won't send recive packets on network and you can't connect to the machine.
I have restored  dne2000.sys and also renamed CSGina.dll  back to original. still same can't send/recive anything over network, it doesn show LAN is connected.
I also tried to re register CSGina.dll but it failed.
The trouble is that we can't reinstalled OS in the machine as its on remote site.

Any suggestions to bring the machine back on the network.
it shows LAN connected but won't show any activity.

any help please
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tyro7866Asked:
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Joseph DalyCommented:
Manaually removing the VPN client probably left some entries or messed up some settings. The first step I would probably try is a third party software remove tool. You could also try the windows installer cleanup tool.

http://support.microsoft.com/kb/290301

If you can completely remove the software you may be able to get back online. If that fails out I would try to run winsockxp fix or LSPfix this should reset your network settings.
http://www.snapfiles.com/get/winsockxpfix.htmlhttp://www.download.com/LSPFix/3000-2085_4-10417026.html

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tyro7866Author Commented:
Third Party tools can't be used to secure site, Software is removed now, but it has also removed TCP/IP settings and LAN won't send recieve packets any more
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tyro7866Author Commented:
I am back online after removing all NIC from the machine,
but still can't remove old VPN installation, I can't over write the installation as well.
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tyro7866Author Commented:
Managed to reinstall VPN client 5.0 but, now getting Error 427. I think it is down to Operating system. I am passing to onsite engineer to re image the machine, it was kind of urgent but didn't get enough respond from experts.
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