Hello,I have almost same problem.when i createt a new web site and browse it with IE8 ,there is error(Internet Explorer cannot display the webpage) and now i'm working with VS2008 and IE8.but i alse have an older version of VS(VS2005) on the same computere.when i created a new web page with 2005 ,there is no problem and everything is ok.
what is the problem with VS2008??

i did all suggestions which were in old posts but it dosn't work.

could you help me??
thanks for your attentions.