Also, try right-clicking the installer and running it as administrator. Your current login may not have the rights to change system devices like network interfaces.
i have administrative right and also i tried th ryn as administrator ...... same error
accualy the error comes when the installation starts installing network components
and im using cisco vpn client ver 5.0.06.0160
im using a laptop lenovo t61 .... if this could help
turnbulld
You could try installing and setting up XP mode then installing the VPN inside the XP mode session. If this works, it is somewhat inconvenient because you have to open XP mode when you want to use it but it has some benefits too. The biggest one is that the XP mode session can be connected to the VPN but the system itself is still operating normally so you can connect to both your VPN and keep access to your regular network connection.
i tried to install DNE it also gave me the same error
so i downloaded the fix for DNE and ran it on my computer ,it finished succesfully
and when i restarted my computer and tried to install the latest update of DNE,,,,same error again
note : i was using mcafee firewall but i had to remove it just to make sure that its not involved in the error