Cisco VPN Client Install Error 28000
KB ID 0000945 Problem Seen when attempting to install or remove the Cisco VPN client software. Error 28000: Before installing the Cisco Systems VPN Clients {version}, you must uninstall the previous version of Cisco Systems VPN Client {version}, using the Add/Remove Program Files option in the Control Panel. Then restart your system. Solution 1. Firstly Windows Key +R > appwiz.cpl {Enter} > Locate and remove the VPN Client....