please go to internet properties/click on security tab/make sure all icons internet,localintranet,trusted sites,restricted sites are all on the default settings.
Then click the security tab then click sites below to the right. make sure there are no sites here listed under web sites if there is delete them.
also i would click the trusted sites icon then click sitesbelow to the right. add *.msn.com,*.passport.com,*.hotmail.com to the trusted sites list. please be sure to uncheck the REQUIRE SERVER VERIFICATION before typing that in there and leave it unchecked.
this here should allow you to go to these sites if it's sometype of incorrect option that is causing this, but if its internet explorer you might need to reinstall it.
msn and internet explorer are very closely related since internet explorer carries all browsing options for msn so if internet explorer is having issues then you will also experience this in msn.
GOOD LUCK!
Some people make things happen, some people watch things happen, while others wonder what happened.