I have windows XP professional with service pack 2 on my computer. I'm using Office professional Edition 2003 (Academic Edition) on my computer as well. I just want to reinstall Outlook 2003. When I load the disc to reinstall I get a message from "Windows Installer" That says, "THE INSTALLATION SOURCE FOR THIS PRODUCT IS NOT AVAILABLE. VERIFY THAT THE SOURCE EXISTS AND THAT YOU CAN ACCESS IT". Can anyone tell me what this means, and maybe how to fix it so I can reinstall Outlook??