Browse to your admin page.
example: http://www.YOURDOMAIN.com/store/admin

You should see a screen that looks like this:

If you see THIS....

Don't panic! There is an easy fix.

Go back to your DreamHost webftp and upload the cpadmin.cgi as a single file.

Make sure to reset the file permissions and your password after you upload.

If all is well.. let's move on to the Admin Options ---> Page 8 >>>