If you have installed Cisco VPN client in windows 7, an you are facing Cisco VPN Client error message "Reason 442: Failed to enable Virtual Adapter". Then this post will help out to troubleshoot that issue.
To get rid out of this error message follow below given
steps.
1. Click the start button and type "services.msc' and Enter as
shown:
2. Find “Cisco Systems, Inc. VPN Service" and stop it.
3. Now find "Internet Connection Sharing (ICS)
Service" stop and make it disabled.
4. Now start "Cisco Systems, Inc. VPN Service"
Now check again Cisco VPN client.
It works for me and will work for you too.

