This message indicates that something is preventing NetUpdate from properly downloading or installing updates. Restart your computer and try again. NetUpdate requires access to ports 80 and 8079 in order to download updates properly and authenticate. Please check for any firewall or local network settings that may be blocking this communication. This may include any modem or router with firewall capabilities. If you are using NetBarrier, please check your settings to make sure you have not blocked access for NetUpdate. You can also Reset NetBarrier to resolve the issue.
If you have confirmed that your firewall settings are not the issue, you may need to uninstall and reinstall your software to resolve the error. You can find step by step instructions here: