Apple Releases Mac OS X 10.6.2 - Guest Account Bug Fixed, Much More [Updated]

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Apple released Mac OS X 10.6.2 Monday, an update for Snow Leopard that fixes a Guest account issue that was wiping some users' home directories. Other issues addressed include Mail, printing, fonts, displays, MobileMe, networking, and more.

You can download the update through Software Update in Mac OS X. The patch is a 157.7MB download. The update is also available for download as a delta update for Mac OS X 10.6.1 users, and as a combo update for 10.6 and 10.6.1 users.

The full list of issues addressed:

General operating system fixes provided for:

  • an issue that caused data to be deleted when using a guest account 
  • an issue that might cause your system to logout unexpectedly 
  • Spotlight search results not showing Exchange contacts 
  • the reliability of menu extras
  • an issue in Dictionary when using Hebrew as the primary language
  • shutter-click sound effect when taking a screenshot
  • an issue with the four-finger swipe gesture
  • an issue adding images to contacts in Address Book
  • an issue in Front Row that could cause sluggish or slow frame rates while watching videos
  • creation of mobile accounts for Active Directory users
  • reliability and duration of VPN connections
  • general reliability improvements for iWork, iLife, Aperture, Final Cut Studio, MobileMe, and iDisk
  • overall improvements to VoiceOver performance
  • this update addresses video playback and performance issues for iMac (21.5-inch, Late 2009) and iMac (27-inch, Late 2009) computers that may occur in some situations while AirPort is turned on 

Fonts fixes provided for:

  • an issue with font spacing 
  • an issue in which some Fonts are missing 
  • font duplication issues
  • an issue with some PostScript Type 1 fonts not working properly 

Graphics fixes provided for:

  • an issue when connecting monitors to DVI and Mini DisplayPort adapters
  • an issue in which the brightness setting may not be remembered on restart 
  • addresses functionality with specific display models
  • general reliability and performance improvements when using some applications

Mail fixes provided for:

  • a situation in which Mail's unread count may not update properly as messages are read on another computer
  • an issue in which deleted RSS feeds may return
  • an issue in which Mail cannot preview or Quick Look attachments when composing a new message
  • an issue that can cause Address Book and/or Mail to stop responding when opened
  • an issue in which email messages received from an Exchange Server are not formatted correctly
  • an issue in which Mail reports "Account exceeded bandwidth limits" for some Gmail accounts

MobileMe fixes provided for:

  • performance when accessing files from iDisk via the Finder and syncing iDisk files
  • an issue in which syncing iDisk files does not proceed beyond "checking items"
  • reliability and performance when syncing contacts, calendars, and bookmarks with MobileMe (syncing with iTunes and iSync are also improved)
  • an issue that prevents some users from logging into MobileMe via the MobileMe System Preference pane

Network file systems fixes provided for:

  • compatibility with third-party AFP servers
  • file synchronization for portable home directories

Printing and faxing fixes provided for:

  • automatic printer updates improvements
  • Print dialog allowing you to enter and send to more than one fax recipient

Safari fixes provided for:

  • a graphics distortion issue in Safari Top Sites
  • Safari plug-in reliability

[This article has been updated with direct links to the 10.6.2 delta and combo update downloads.]



On my Mac (2.16 Ghz late 2006 iMac) the download was 157M.  On my wife’s lapotp (2.16Ghz MBPro - late 2006), it was 499M. 

However, so far so good.


My L2008 MB was 499Mb as well. However it downloaded, installed, rebooted, without any problem and everything appears fine.


My wife’s WHITE L2008 MB was 157Mb

I wonder what the logic is behind the download sizes?


It’s great to have all these problems solved - but the bug that gets Dates in Contacts (eg Birthday) wrong when syncing between Computer, iPhone & MobileMe, if you are located in Time Zone UTC+12…..... is still there, and has been for as long as I can remember.

It makes MobileMe virtually useless for syncing Contacts with any “date” data.

If Cupertino was a few thousand miles further west this would just work!

Laurie Fleming

I’m still pissed off that it’s no longer possible from Software Update to simply download an update of this size. There’s no way I’m going to get two copies of 500Mb, when I could just get it once on my main machine, transport it to my laptop and install it twice.

Here you go:

The Skeptic

I?m still pissed off that it?s no longer possible from Software Update to simply download an update of this size. There?s no way I?m going to get two copies of 500Mb, when I could just get it once on my main machine, transport it to my laptop and install it twice.

I can see why Apple removed this feature… some users would download the “delta” (small) update for their machine (say 157 MB), then attempt to apply it to other machines (which may have required the full update).

This would cause significant support issues.  It’s much easier to force the “manual” downloaders to grab the full version from the website.

Dave Hamilton

Odd that the 10.6.2 combo updater from Apple is only 479MB and my Software Update shows 499.9MB for (presumably) the delta from 10.6.1. Hrm.

Laurie Fleming

The Skeptic: well, yes, but I checked on both my machines and they both wanted the big one. The Download or Download and Install options had been there for an awfully long time - and they could have got rid of it before - why now?

Dave: I installed the 479Mb download, rechecked for further updates, and there was no more to go. I agree, odd.

The Skeptic

Dave:  I think that the gap in file sizes comes from the new “metric” approach to counting file sizes in Snow Leopard. This makes a difference because a “binary” GiB (1024^3) is not the same as a “metric” GB (1000^3). 

The 10.6.2 combo update is 503.3 MB (metric), which is 479.9 MB (base binary).

Laurie:  I agree that it is annoying.  That said, it appears that Apple is using a greater variety of “delta” versions through Software Update in Snow Leopard than with previous cats.  Perhaps they felt that confusion would be too great in comparison to previous versions?

Laurie Fleming

Well spotted on the counting front, Skeptic. “Consistency is the last resort of the unimaginative.” Oscar Wilde, I think.

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