Hi This is the program that I have used. I know it works. I live in a retirement village and help seniors with computer issues. I have a computer in the library that I can control from my cottage. I think that W7 has a simular program, but I have never used it. I have W7 and I'm controling XPSP3.
http://www.teamviewer.com/en/index.aspx
http://www.howtogeek.com/howto/27120/help-computer-users-remotely-with-teamviewer/
Hi is this what your using??