It's the Cisco VPN client This is the only VPN client on the computer. Most of my tests have me leaving the network the VPN created disabled as I know that it automatically gets enabled when the VPN connects. The event viewer has no errors, just that the service started and stopped: I've removed my computer name from the below

Sep 12, 2016 Cisco VPN on Windows 10 (or 8.1) - Reason 442: Failed to Oct 19, 2013 Fix an Error 51 With the Cisco VPN Client | PCWorld Oct 17, 2008 Cisco VPN Client Error 51 - Open Your Firewall - Domain

The saga of the incompatibility between Windows 10 and Cisco VPN Client v5.x continues on. After a rather pushy Windows Update, I reluctantly took the update and discovered that Windows was actually doing an upgrade to Version 1511, which took a while to complete. After waiting ages for it to install, I signed in. Read More…

Most Common Cisco VPN Client Errors & Solutions | VPNpro May 16, 2019 Cisco VPN Client Error 56 Сегодня Cisco VPN Client в ответ на попытки запуска говорил: Error 56: The Cisco Systems, Inc. VPN Service has not been started.

How To Fix Cisco VPN Installation Error 27850 on Windows

May 16, 2019 Cisco VPN Client Error 56