Whenever someone needs my help with their computer I usually connect with them through a screen sharing software such as CrossLoop.
However, this can be a very bandwidth-heavy way of doing it.
Plus, of course, the recipient needs to have the software installed. That's why UltraVNC is a useful alternative - an easy-to-use, fast and free software that can display the screen of another computer on your own screen.
The difference between UltraVNC and other screen sharers is quite simply the lightness and speed of it.
Of course, the recipient needs to have UltraVNC installed but once they have, you have a whole host of options open to you including file transfers, a viewing toolbar, scaling options and even text chat.
However, what impresses most about UltraVNC is the speed, Where some screen sharing programs severely lag behind because of bandwidth issues, UltraVNC is lightning fast at connecting and sharing.
