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How do I know if my OS X 10.7 Lion system has Java installed?

Software Update says that "Flashback malware removal tool" is recommended to be installed for all Mac users who do not have Java installed. Question: How do I know if Java is installed on my system or not? Thanks.

iMac, Mac OS X (10.7.3), 2.33GHz Intel Core 2 Duo, 2GB

Posted on Aug 27, 2012 7:55 PM

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5 replies

Aug 27, 2012 10:56 PM in response to Element_37

Element_37 wrote:


What will happen is it won't open at all and just gives you the option to download and install it. Java preferences won't open or stay open at all, period.

Sorry, I was misinformed about what did the notification. Must be the OS.

pokerpal wrote:


Software Update says that "Flashback malware removal tool" is recommended to be installed for all Mac users who do not have Java installed.

You really don't need to worry about this as long as you have installed everything recommended by Software Update, this has already run. You can double check by going to System Preferences->Software Update->Installed Updates tab and it will tell you.


Also, Flashback has not been active for several months now, so you can focus on protecting yourself from tomorrows malware.

How do I know if my OS X 10.7 Lion system has Java installed?

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