Here’s a screenshot of what Internet Explorer 7 displays when it can’t find the URL you’re looking for:

And here’s IE 7 trying to teach you how to use tabbed browsing:

Pretty darn similar, right? My guess is everyone ignores both.
Yea, the icons don’t do any justice either. The ‘cannot find’ is more of an ‘oops’ but they used the ‘i’ icon which is more informational like the tab instructions. wtf ms.
Hot Windoze Tip for applefanboys: Hit ALT+Print Screen. It will only screengrab the current window yur lookin at.
Wow, that is a hot tip! I’ve adjusted the screenshots accordingly.