');document.write('Apple - Support - Most Recent - Mac OS
');document.write('Mac OS X v10.5, 10.6: Mail messages generated by applications may have a black background after installing Safari 5 or Mac OS X v10.6.4
');document.write('

After installing Safari 5 (with Mac OS X v10.5.8, Mac OS X v10.6.2, or v10.6.3), or after installing Mac OS X v10.6.4 (which includes Safari 5), you may see a black background instead of readable text in Mail messages that are generated by some applications. These are some of the Apple and third-party applications that may be affected: Mail AppleScript iCal iChat Preview FileMaker Pro Microsoft Word Microsoft ExcelOther applications that generate Mail messages may also be affected.

');document.write('
');document.write('Apple security updates
');document.write('

This document outlines security updates for Apple products.

');document.write('
');document.write('About the security content of Safari 5.0.1 and Safari 4.1.1
');document.write('

This document describes the security content of Safari 5.0.1 and Safari 4.1.1.For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."Where possible, CVE IDs are used to reference the vulnerabilities for further information.To learn about other Security Updates, see "Apple Security Updates."

');document.write('
');document.write('Using a POP account with multiple devices
');document.write('

When using a POP email account with multiple devices, email messages may only appear on the first device that receives them. This occurs when an email client is configured to automatically remove email from the server once an email client has received it. You can configure your email client (or clients) either to keep a copy of the email on the server, remove it after a certain number of days have passed, or keep it until you move it from your Inbox.

');document.write('
');document.write('\"Well known\" TCP and UDP ports used by Apple software products
');document.write('

Learn more about TCP and UDP ports used by Apple products, such as Mac OS X, Mac OS X Server, AppleShare IP, Network Assistant, Apple Remote Desktop, Macintosh Manager, and MobileMe. Many of these are referred to as "well known" industry standard ports.Note: Mac OS X v10.5 Leopard and later includes the Application Firewall, which is different from a port-based firewall.

');document.write('
');document.write('iTunes: After installing Mac OS X v10.6.4, text in iTunes may display as squares
');document.write('

After installing Mac OS X v10.6.4, opening iTunes may result in the text displaying as squares.

');document.write('
');document.write('Mac OS X v10.6: How to \"Erase and Install\"
');document.write('

Use this procedure to restore to the original factory settings and the software that originally came with your computer, using the Mac OS X v10.6 Snow Leopard Install DVDs that shipped with it.

');document.write('
');document.write('Mac 101: iChat
');document.write('

This article explains how to use iChat to text chat, audio chat, or video chat over the Internet.

');document.write('
');document.write('Mac OS X Server: Software Update Service compatibility
');document.write('

Mac OS X Server Software Update Service can provide Apple Software Updates to Mac OS X clients running the same, or earlier Mac OS X release.

');document.write('
');document.write('How Mac OS X and iOS report storage capacity
');document.write('

Learn why the storage capacity stated in a product\'s specification may be lower than what is reported by Mac OS X or iOS.

');document.write('
');document.write('About Location Services in Mac OS X v10.6 and Safari 5
');document.write('

Location Services allow applications to use information from Wi-Fi networks to determine your approximate location. In order to use Location Services, you must have an AirPort connection that can scan for nearby networks, and also a connection to the Internet.

');document.write('
');document.write('Mac OS X: Activity Monitor shows one CPU Usage graph on systems with more than four cores
');document.write('

In Activity Monitor, the CPU Usage and history show a separate graph for each core if the Mac has four processor cores or less, but a single graph if there are more than four cores.

');document.write('
');document.write('MobileMe: How to Prepare for the MobileMe Calendar Beta
');document.write('

It is important to create frequent backups of important data. This is even more important if you are using beta software. You should make sure you back up your data prior to entering the MobileMe Calendar Beta.

');document.write('
');document.write('Mac OS X v10.6: Printer and scanner software
');document.write('

Mac OS X v10.6 includes software for many printer and scanner models. This software can be installed from the Mac OS X v10.6 Install DVD, and installed or updated by using Software Update (some models have software available through Software Update only).

');document.write('
');document.write('About the content of Security Update 2010-003
');document.write('

This document describes Security Update 2010-003, which can be downloaded and installed via Software Update preferences, or from Apple Downloads.

');document.write('
');document.write('

');