Windows XP: Java Virtual Machine

To check which version is installed run from a command prompt "jview", if it's installed you will see something like Microsoft (R) Command-line Loader for Java Version 5.00.3810, the last 4 digits determine the version number.

To download the Microsoft Java Virtual machine see here: Download Build 3805 (required) Build 3810 Update for 3805
To download the latest version of Sun Microsystems Java Runtime Click Here

To uninstall the Java Virtual machine, run the following command:
RunDll32 advpack.dll,LaunchINFSection java.inf,UnInstall
After the machine restarts, delete the following items:
the \%systemroot%\java folder
java.pnf from the \%systemroot%\inf folder
jview.exe and wjview.exe from the \%systemroot%\system32 folder
The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Java VM registry subkey
The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AdvancedOptions\JAVA_VM registry subkey (to remove the Microsoft Internet Explorer (IE) options)

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Vittorio Pavesi