Today when I tried to connect to VPN through Cisco AnyConnect Secure Mobility Client, the following error dialog prompted:
And after I clicked "OK" button, the following dialog prompted:
So all of the two dialogs were complaining about "VPN service" not available/not responding. So I ran "services.msc" in windows run and found below:
When I checked, the service "Cisco AnyConnect Secure Mobility Agent" was stopped, and the "Startup type" was "Manual". So I changed "Startup type" to "Automatic", click "Start", then "OK" to save.
After this, Cisco AnyConnect Secure Mobility Client was running ok and I can connect through it to VPN.