Apple OS X Lion 10.7
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OS X Lion (10.7).OS X 10.7 Lion replaced OS X 10.6 Snow Leopard and this Mac OS X 10.7.5 Update is recommended for all users running Mac OS X lion. It includes general operating system fixes that enhance the stability, compatibility, and security of your Mac. This 10.7.5 update also includes Safari 5.1.7. OS X Lion 10.7.5 update is an essential update for Lion users.Resolve an issue in which icons in Launchpad could get rearranged after a restart, Improve Wi-Fi reliability for iMac (Late 2009 and newer),Resolve an issue using Spotlight to search an SMB server, Improve compatibility connecting to Active Directory servers, Address an issue playing audio when a MacBook Air (Mid 2012) is connected to a Thunderbolt display,Improve Active Directory clients updating computer password and DNS records,Correctly update the keychain when changing an 802.1X password.