Craigslist default mail client is not properly installed

[VernaGum]

I get this error message when I try to respond to an ad on Craigs list. How do I correct it?

 

[ksiemb]

I get this error message when I try to respond to an ad on Craigs list. How do I correct it?

http://www.windowsanswers.net/articles/fix-default-mail?tid=defaultmailgoog