e2cd30cb_ntions__Maya_Calendar__et_al____Discussion
[Description] Use HTTP 1.1 through proxy connections [Discussion] 
Determines whether Internet Explorer attempts to use HTTP 1.1 when connecting to Web servers when using a proxy server. Many Web sites still use HTTP 1.0, so if you are having difficulties connecting to some Web sites, you may want to disable this setting.
Recommended Internet Explorer Settings - Xoc Software (RVBA Conventions, Maya Calendar, et.al.)
Discussion