Unable to sign in with IE?

I am unable to sign into my yahoo account using IE. When I attempt the page apparently toggles between 2 sites:

"login.yahoo.com/config/logi?.src=fptx...

%26amp;

"sign in to yahoo"

screens

Unable to sign in with IE?windows firewall

Security and Privacy set too High. Go to IE7 %26gt; Tools %26gt; Internet Options %26gt; Privacy %26gt;

Slider bar to Medium %26gt; Apply %26gt; OK. = Tools %26gt; Internet Options %26gt; Security %26gt; Slider

bar to Medium %26gt; Apply %26gt; OK.

Unable to sign in with IE?microsoft frontpage internet explorer

You might have spyware on your computer.

Delete your cookies and run a spyware program.

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