The original is on archive.org.
The fix so far is to use this
Change to this to your web.config
[code:html] <forms timeout=”129600″ name=”.AUXBLOGENGINE” protection=”All” slidingExpiration=”true” loginUrl=”~/login.aspx” cookieless=”UseCookies” /> [/code]
Remove the app_browser files
Then run against http://www.seoconsultants.com/tools/headers/
Give it a try.