One big problem with IE7 was its asinine "This page contains scripts or ActiveX controls that could access your computer" warning banner that it plastered all over basically everything, including static .htm pages that didn't have even a single line of JavaScript, much less ActiveX. I got really tired of answering emails from users who were frightened half to death by that warning. It had the effect of desensitizing users to actual threats, or at least it would have if IE7 had ever gained much popularity.

It was a terrible piece of work and I was glad when it never achieved any significant market share.