This is the fourth step in troubleshooting Cisco VPN connection problems on Windows. Follow the steps found in the Troubleshooting Guide in order.
Note: this step is for off-campus only. If you are on-campus skip to Uninstall and then Reinstall the VPN Client.
Disable the wireless card.
If applicable, unplug your wireless router from the Cable or DSL modem.
Use an Ethernet cable to connect your laptop or desktop to the Cable/DSL modem.
Verify internet connectivity (see Check for Internet Connectivity if you need assistance).
Once the internet is working, attempt to establish a VPN connection.