You know the usual answer.

by R. Proffitt Moderator - 3/7/13 10:55 AM

In Reply to: Pinterest site won't open in IE 9? by pk9901

-> Use another browser <-

IE has some compatibility mode settings but since Google Chrome fails there must be something else going on besides your TOPIC.

http://www.isitdownrightnow.com/pinterest.com.html shows it's up so try other computers and networks.
Bob