Why have Eclipse and Spring Tool Suite stopped working on my Windows 7 64 bit machine?

Hi:

Up until a day or so ago, Eclipse (Juno) and Spring Tool Suite were working fine on my Windows 7 64 bit machine.

Both Eclipse and STS are 64 bit installations.

Now, neither of the start up.
In Eclipse, the Splash screen flashes briefly, and then nothing.
In STS, I see the attached screen shot.

I have no idea why these stopped working. I did not install anything new.
Did something get corrupted on me?
I've got to figure it's something that's shared between the two installations (Java/JRE)?

As a caveat, my Android Studio stopped working as well.

What could be causing this?
I really want to avoid having to reinstall these 3 applications.

Thoughts?

Thanks,
JohnB
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jxbmaSoftware ConsultantAsked:
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mccarlIT Business Systems Analyst / Software DeveloperCommented:
Both Eclipse and STS (which is just a customised version of Eclipse) should write info to a log file (location of which should be the directory where they are installed). The info in this may be helpful, see if you can find this/these and post.

Also, the screenshot that you mention didn't get attached.
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Sharon SethCommented:
The log sometimes is stored in your home folder
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jxbmaSoftware ConsultantAuthor Commented:
I looked for the log file and did not find it.
What is the log file called?

Here is  the screenshot.

JB
Capture.PNG
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Sharon SethCommented:
Can you take a look in your workspace folder , there should be smthg like .metadata which wld have some logs . BTW did your JRE get updated automatically?
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Chris HarteThaumaturgeCommented:
Juno is out of date, Kepler is the latest eclipse. There was a bug with earlier versions that was solved. As a work around this may help

http://www.eclipse.org/forums/index.php/t/204384/

add the line
-XX:-UseCompressedOops
to the end of your eclipse.ini file
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jxbmaSoftware ConsultantAuthor Commented:
OK. I will try this. But, as I mentioned earlier, this has been working fine for several weeks and suddenly Eclipse, Android Studio and STS stopped working for me.

JB
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