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Windows XP 32bit. Working fine for a long time.

Recently, everything related to Java stopped working. Even the Java app in the Control Panel is not working anymore.

Whenever anything Java-related is launched, apparently nothing happens, no application appears to launch at all, except CPU usage goes to 100%. Investigating it, it turns out the javaw.exe process is at 100% CPU. And it stays like that forever.

I tried reinstalling Java, disabled the anti-virus, etc. Tried JavaRa (a tool to clean up old Java files) - nothing helped.

I can run "java -version" in the Command Prompt, and that one works fine, but it's no consolation.

I'm stumped.

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    What does that java -version say by the way. Also consider using sysinternals procexp to find out about the dlls that are used and whether they really belong to the newly installed JRE/JDK.
    – Alain Pannetier
    Apr 26, 2011 at 1:49
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    Try logging in and running Java apps under a different user account. If it works, there's probably a file corruption issue associated with your user profile.
    – Joe Internet
    Apr 26, 2011 at 2:46

1 Answer 1

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It's because of VirtualBox.

This is a virtual machine running on VirtualBox. The latest VBox update broke Java. I filed a bug report and posted a warning on their forum.

They really need to get their act together. :(

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  • It's great that you have answered this question yourself, but you should also accept the answer - click the tick mark to the left.
    – Bob
    Jul 15, 2012 at 1:56

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