How do I connect to my friend’s computer?  I want to be able to control his screen to fix problems he might be having.  Is there a free program that will allow me to have remote access?

If you are looking for a way to control your friends computer to fix any problems they may have.
CrossLoop simplifies the process of securely working with friends located in different physical locations and across different network environments. CrossLoop enables you to see the screen and control the mouse and keyboard on a remote computer. It is as if you are working side by side at the same PC.

Check out CrossLoop I think you will find it very handy for getting your friends or family out of a Jam!

PC Requirements

CrossLoop requires Windows 2000 or newer, including Vista; 128 MB RAM or greater; 2 MB hard drive space and a broadband Internet connection