My solution for this issue was a little different. When I first opened Any Connect, I clicked on the Settings Icon (Looks like a Gear) located on the lower left. Then click on Preferences and make sure Block Connections to Untrusted Servers is select...
Here is an example of my output, should be the second one down.
Switch#sh invNAME: "c36xx Stack", DESCR: "c36xx Stack"PID: WS-C3650-48PD , VID: V05 , SN: NULL
NAME: "Switch 1", DESCR: "WS-C3650-48PD-S"PID: WS-C3650-48PD-S , VID: V05 , SN: NULL
NAME...