Open Device Manager , expand Network Adapters , right-click the Cisco AnyConnect Virtual Adapter , and select Uninstall device . Restart your computer; AnyConnect will automatically reinstall a clean version of the driver upon the next launch. Fix Security Certificate and TLS Blocks
Cisco has announced that AnyConnect 4.x is currently End-of-Life (EOL) . Moving forward, all new enhancements, bug fixes, and compliance updates are being provided as part of the Cisco Secure Client 5.1.x version. If you do not upgrade, you will not receive support for the existing product, new features, or OS compatibility updates. anyconnect secure mobility client 410 download work