I have an answer. To a problem I and many others have had and wanted to
share this new found information.


After 10 days and numerous hours spent troubleshooting by me.

Apparently my uninstalled Cisco VPN Client didn't uninstall fully. It
left some keys-services (invisible services that one can only observe
from Recovery Console. As per information on
http://www.cisco.com/univercd/cc/td/doc/product/vpn/client/rel401/401_clnt.htm,
logged in as Administrator (that would be the name, not only having
rights),

Navigated to
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\vsdatant in
Registry Editor and changed Start parameter value to 3 which disabled
the corrupt component of Zonealarm.

If you are unable to do this, you might well have to start-up in safe
mode in order to carry out the change to the registry.

I had a similar case like this one. To make it work, I followed this how to remove the Cisco VPN client.

How to uninstall Cisco VPN clientYou can also use the Windows add/remove utility to uninstall Cisco VPN Client. If above mentioned uninstall applications fail, you can uninstall Cisco VPN ...
      http://www.howtonetworking.com/cisco/ciscovpnclient1.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
  I have an answer. To a problem I and many others have had and wanted to
  share this new found information.


  After 10 days and numerous hours spent troubleshooting by me.

  Apparently my uninstalled Cisco VPN Client didn't uninstall fully. It
  left some keys-services (invisible services that one can only observe
  from Recovery Console. As per information on
  http://www.cisco.com/univercd/cc/td/doc/product/vpn/client/rel401/401_clnt.htm,
  logged in as Administrator (that would be the name, not only having
  rights),

  Navigated to
  HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\vsdatant in
  Registry Editor and changed Start parameter value to 3 which disabled
  the corrupt component of Zonealarm.

  If you are unable to do this, you might well have to start-up in safe
  mode in order to carry out the change to the registry.

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