It looks like you are creating a static html site. Do you have a testing server defined in DW? If so how is it setup?
Have you tried clearing the cache file or renaming the configuration folder to see if these things clear up the issue? Please follow the instructions here to see if this resolves the problem for you.
Clearing the cache file
common_installation_issues.pdf
Renaming the config
showpost.php?p=12293&postcount=2
Please let us know if you continue to have this problem and I will ensure that a ticket is opened up for you to look into this further.