Microsoft Security Essentials has removed winvnc4.exe
Re-establish agent configuration after Microsoft Security Essentials removes winvnc4.exe
Microsoft Security Essentials has removed winvnc4.exe from the Unitrends working directory and you need to re-establish agent configuration on the client.
Select the client in question from the Navigation menu, then navigate to Settings > Clients, Networking, and Notifications > Clients. Click Setup. This will refresh the client and all associated settings changes made to the Unitrends agent as well.