UPDATE: You can use kb3023607
fix option 2:
- Close the Cisco AnyConnect Window and the taskbar mini-icon
- Right click in the “Cisco AnyConnect Secure Mobility Client” folder. (I have it in “C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client\”
- Click on the “Run compatibility troubleshooter” button
- Choose “Try recommended settings”.
- The wizard suggests Windows 8 compatibility.
- Click “Test Program”. This will open the program.