I have attached a screenshot of the error message client machines get when connecting to the routers VPN. Am looking at getting router certificate resolved, but think there might be something else to it.Any ideas would be most appreciated.

We have recently implemented cisco vpn services for a client. we can connect to the site via the web, and authentication goes well.After the authetication, there a a couple boxes that pop up, one tries to install the client then quickly comes back wi...