CFS3 Problems?
Check through this link before you post and if it helps please let us know so it will help others.
Good luck!
http://search.microsoft.com/results.aspx?mkt=en-US&setlang=en-US&q=cfs3
Router ports http://www.portforward.com/ and http://support.microsoft.com/kb/331570
I have downloaded aircraft that iI cannot install. I get message that installer has an error.