![]() Here’s how to disable Java in OS X 10.4 and 10.5: ![]() If your Mac runs a version of OS X that’s older than 10.6, however, there aren’t any updates for you, leaving the next line of defense in the hand of virus protection apps, or disabling Java. ![]() With the Java security updates Apple released several days ago, Snow Leopard and Lion users shouldn’t need to worry about getting hit with the current wave of Flashback variants, and they handle the process of removing the malware if it was installed ahead of the updates, too. When victims entered their user name and password into the seemingly legit authentication dialog Flashback was able install its malware, although more recent versions were able to take advantage of Java security flaws and install when users visited maliciously crafted websites. Disabling Java will stop hackers from taking advantage of those unpatched flaws, and it only takes a couple steps.įlashback originally tried to install its nasty payload by tricking users into thinking they were installing Adobe’s Flash player. If you aren’t running OS X 10.6 or higher, however, there aren’t any security updates available. Use Disk Utility to Erase the Startup Drive.Apple’s recent Java updates address the security issues that led to the Flashback trojan outbreak and now Luck圜at, too. Plug the USB flash drive that contains the Mavericks installer into one of the USB ports on your Mac. Screen shot courtesy of Coyote Moon, Inc.īoot From the OS X Mavericks Installer. Install OS X Mavericks From the Bootable USB Flash Drive. Your Mac will restart once the installation is complete. Select your startup disk and click Install. Once you see the macOS Utilities screen choose the Reinstall macOS option.Ĭlick Continue and follow the onscreen instructions. Start up your Mac pressing ShiftOption/AltCommandR. How do I Install an Older Version of Mac OS X? If so, download the installer but dont let it run. Go to one of the Mavericks machines, open the Mac App Store, click Purchases and see if it allows download of Mavericks. Mavericks is not available in the Mac App Store, but you can download it if you downloaded it before. Make a USB thumb drive installer that you can plug into your computer to upgrade it. Take your computer into the nearest Apple Store and they will do the upgrade for you. ![]() How do I Get OS X 10.9 on my Mac?ĭownload the Installer from Apple directly to the computer that you want to install the new OS X onto. from the Apple menu, and install any available updates. When the installation is complete, select App Store. Click Install, and enter your Apple ID information if prompted. Follow the instructions on the screen, and then choose your hard disk. ARCHIVED: How do I Install OS X 10.9 (Mavericks)?Ĭlick Reinstall OS X, and then Continue. ![]()
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