John,
Check out the article at
http://support.microsoft.com/support/kb/articles/q148/7/62.asp You can download the updated wizard files. Make sure you delete your distrib directory so the setup wizard re-creates it.
>When I try to run the setup.exe on the netdist files I get the following error.
>
>Setup Error 279
>Object 240
>Your setup files may be damaged.
>
>Anyone know what this is?