Installation of Outlook 2003 to Dell Inspiron Mini 10 fails

I have a new Dell Inspiron Mini 10 netbook - I need to have Outlook in order
to activesync my Pocket PC - I have a disk and product key for Outlook 2003 -
when I try to load this - all starts well until after I enter the product key
- then I get a message saying the installation can not proceed as the source
has been corrupted. There's nothing wrong with the disk as it loads on my
other PC. The operating system is XP home edition. I have to transfer the
disk contents on a flash memory stick or plug in hard drive as the Dell has
no disk drive. Help - any solution?

Thanks