flash data integration: Use macromedia's linke ...
http://www.macromedia.com/cfusion/knowledgebase/index.cfm?id=60b46608

I tried it, but still giving me the same error message you're getting.

Let me know if it works for you.

Andy

I've finally fixed it thanks to the link provided by Andy. (thanks)

It took a few hours of installing, uninstalling, and trying things in
different orders but the error is gone.

It doesn't work as stated in the fix in that link but here's what I did:

Install Flash 8
Install data connection wizard
Run Flash 8 installation again
Choose "Repair"
When the process is complete the wizard should work properly.