http://cs.samuelh.dyndns.org/blogs/myfamily_canadalife/archive/2005/04/24/182.aspxAfter post a "multipart/form-data" form, $HTTP_POST_VARS is not published and remains empty, which causes b2evolution doesn't upload the file correctly. Initially I thought if I use PHP4, the problem won't be there. After install PHP4, I found the bundledenCommunityServer 2.1 SP1 (Build: 61025.2)