Team viewer Reserved port 80

[bestlink101]

I cannot use programs that require port 80, I had teamviewer on another computer but I dont have that computer anymore and have no access to it, on my new computer i tried to use a program that requres port 80 i see a error message
This site is running TeamViewer.

Free Port 80 for other applications in advanced settings.
I tried to install teamviewer on my new computer and try the tutorial down but it didnt work, help
http://support.teamviewer.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=245