How can I uninstall the Microsoft Java Virtual Machine (JVM) from Windows XP?

Just follow these steps:

1. From the Start menu, select Run. Enter the command RunDll32 advpack.dll,LaunchINFSection java.inf
2. To start the uninstall process Click Yes to the confirmation, then select Reboot.
3. After the machine restarts, delete the following items:
   1. the \%systemroot%\java folder
   2. java.pnf from the \%systemroot%\inf folder
   3. jview.exe and wjview.exe from the \%systemroot%\system32 folder
   4. The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Java VM registry subkey
   5. The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AdvancedOptions\JAVA_VM registry subkey (to  remove the Microsoft Internet Explorer (IE) options) .

Microsoft Java is now removed. You can download Sun's newer JVM for Windows at http://java.sun.com/getjava/index.html .

• You an also try the original Microsoft Java VM Uninstallerfile, but there were some problems with systems after the use of this uninstaller, so use it on your own risk!
  You can find the file  here.