Your UserAgent string in Firefox is messed up by another program that you installed. URIAPRO[] [http://en.wikipedia.org/wiki/User_Agent] type '''about:config''' in the URL bar and hit Enter ''If you see the warning, you can confirm that you want to access that page.'' Filter = '''general.useragent.extra.firefox''' Right-click that preference and select '''Reset''' Then restart Firefox If that doesn't solve your Hotmail problem, see Windows Live / Hotmail support.