The steps are:

• Start the Virtual PC session as normal.
• In the Mac Finder, navigate to the 'Documents' folder in your 'Home' folder.
• Open the 'Virtual PC Scripts' folder.
• Open the 'Toggle Compatibility Mode' script by double clicking it.
• The script opens in Script Editor.
• Click the 'Run' button at the top of the script window.
• Click 'OK' to the informational dialog that appears.
• Click 'Enable' in the next dialog box.
• Return to the PC session, which is now running in compatibility mode, and run the desired application.
• When complete, close the program and return the Virtual PC to normal mode by re-running the script above and selecting 'Disable' at the appropriate time.