Image Gallery: Windows 7 -- A closer look at your next OS?

Pre-beta Windows 7 addresses many Vista complaints -- and introduces a slew of changes

By: Yardena Arar and Harry McCracken, PC World

6. User Account Control slider gives greater control over security settings

Vista's famously annoying User Account Control (UAC) becomes less annoying: It now lets you control which potential security risks it alerts you to and which ones it lets slide.

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