UltraVNC is a simple and easy to use utility focused on Windows systems which we will be able to control any machine connected to the network or internet with.
UltraVNC allows you to use your mouse and keyboard to control the other PC remotely. It means that you can work on a remote computer, as if you were sitting in front of it, right from your current location.
Ultra VNC is based on VNC (Virtual Network Computing), original version of a client/server software which offers you the possibility of remotely accessing to a started session in your computer from any other PC connected to internet .
In this new version it appears some new enhanced details that make of it one of the best programs for this purpose.
As long as you work in Windows environment, the best option to remotely control systems is Ultra VNC.
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Does the viewer control and the server is controlled? What happens if the computer (server) is turned off?