OS X Mavericks: Update to 10.9.2 when using an authenticated web proxy

If you use OS X Mavericks with an authenticated web proxy, some websites may load slowly or not at all. To resolve this issue, update to OS X Mavericks v10.9.2 or later.

This article has been archived and is no longer updated by Apple.

Some proxy configurations may also prevent you from downloading automatic software updates using the Mac App Store. If OS X Mavericks v10.9.2 or later is not available to you in the Updates pane of the App Store, you can download and install it from the Apple Support website.

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