What Gatekeeper means for users of 10.8 Mountain Lion

As users of 10.8 Mountain Lion settle into their new environment, some of the most common questions about the new operating system relate to Gatekeeper – OS X’s newest security feature.
While Gatekeeper is a marquee feature of OS X Mountain Lion, there’s still some confusion about what it does and how it affects Mac users in everyday use. To summarize in a single sentence, Gatekeeper helps protect you from inadvertently installing malicious software on your Mac. But there’s a lot more to Gatekeeper than that basic description, so let’s explore why it exists and how it works!

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Airport Utility 6.0 WDS broken?

My WDS setup (a wireless daisy-chain to extend the range of my WiFi network) stopped working with the Airport Utility 6.0 update. Airport Utility 6.0 only has options to "Create a Wireless Network" and "Extend a Wireless Network", and my 3-node daisy chain was no longer working, however many times I tried resetting and restarting.

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How to arrange and sort files in Finder using Mac OS X Lion

With the introduction of OS X Lion, Apple changed the way file sorting works in Finder. Unfortunately, it has left some users confused as to why selecting Arrange By > Name isn’t working in Finder’s Column view.
An interesting issue has been plaguing some Mac users running OS X 10.7 Lion. When browsing in Column view, Finder sometimes won’t let you sort files and folders alphabetically by name. Even if the correct setting is selected, Finder simply refuses to comply. Luckily, there is a quick fix for those affected by this problem.

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