<A target="_blank" href="http://www.pcworld.com/article/166848/blogger_windows_7_uac_feature_still_vulnerable.html?tk=rss_news">According to one researcher, the Windows 7 User Account Control</A> (UAC) feature can be turned off remotely without the knowledge of the user. Microsoft contends this could only happen if the machine was already infected and doesn't think the feature needs to be changed.