HT2452 i downloaded a new java - but having problems connecting to a remote computer. how can I go back to how my imac was configured 2 hours ago?

greetings.
is there a way to restore my iMac to how it was 2 hours ago? kinda like a system restore in PC if I wanted to revert back.. any ideas? I downloaded a new Java and I dont know how to configure it. When trying to log into my work computer it said old version of Jave not supported but earlier in the day I had no problems. Now I can't get past the launch page on my SecureID - does this sound familiar to anyone or is it foreign?? Not sure if i need to call my comapany's desktop support

Hi Bill,
Locate the version of Java that’s installed on your Mac OS X system.
1. Open the Utilities folder and run the Terminal application.
2. Type java -version and press Enter.
(space between java & -v important)
The version of Java that you have installed will then be displayed on the screen.
Java for OS X 2012-006: How to re-enable the Apple-provided Java SE 6 applet plug-in and Web Start functionality
http://support.apple.com/kb/HT5559

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~~~~~~~~~~~~~~~
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Here are two screengrabs from my Device Manager
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HT2452 i downloaded a new java - but having problems connecting to a remote computer. how can I go back to how my imac was configured 2 hours ago?

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