Error 442 - Failed to Enable Virtual Adapter, when starting on Windows 8.1
- Go to HLKM\System\CurrentControlSet\Services\CVirtA
- Verify that the DisplayName reads "Cisco Systems VPN Adapter" or "Cisco Systems VPN Adapter for 64-bit Windows". If it doesn't, change it.
- Navigate to the Cisco folder in Program Files and set Windows 7 compatibility for cvpnd.exe and vpngui.exe.
- Make sure that the Cisco VPN Adapter in Network Connections is disabled.
- Launch the Cisco VPN Client