TimS,
1) On the taskbar at the bottom of your screen, click Start, and then click Run.
2) Type: cmd
3) At the command prompt, type: jview
If a message displays information about Java, you have the Microsoft VM installed on your computer.
If a message displays 'Jview' is not recognized as an internal or external command, operable program, or batch file, you do not have the Microsoft VM installed on your computer.
Take Care,
Richard