Starting with Internet Explorer 8 it has become necessary to open a new session to open one or more instances of HQMS or caWeb. Cookies are shared between tabs and new windows which make it impossible to login to either HQMS or caWeb without creating a new session. These sessions do not share cookies and make it possible to open two or more instances.
Internet Explorer 8
Click File > New Session. (Click Alt if the File menu is not visible)