I was saying that it is a noted install option based on what others have had success with, but i'd never personally use that route to upgrade...
So he never even uploaded the changed files and that is supposed to upgrade?
Looking at the change file for 7.5.4.1
How did
VERSION-7.5.4:CHANGED: admin/changeuser.php
VERSION-7.5.4:CHANGED: admin/dofeatures.php
VERSION-7.5.4:CHANGED: admin/doprofiles.php
VERSION-7.5.4:CHANGED: admin/dorebuildcontent.php
VERSION-7.5.4:CHANGED: admin/view_subscriptions.php
VERSION-7.5.4:CHANGED: cache_builders/online_now.php
VERSION-7.5.4:CHANGED: libs/content_rebuild.inc.php
VERSION-7.5.4:CHANGED: libs/html.inc.php
VERSION-7.5.4:CHANGED: libs/user.inc.php
VERSION-7.5.4:CHANGED: scripts/changebasic.inc.php
VERSION-7.5.4:CHANGED: scripts/filemanager.inc.php
VERSION-7.5.4:CHANGED: scripts/inline_moderation.inc.php
VERSION-7.5.4:CHANGED: scripts/logout.inc.php
VERSION-7.5.4:CHANGED: scripts/online.inc.php
VERSION-7.5.4:CHANGED: scripts/sendmessage.inc.php
VERSION-7.5.4:CHANGED: scripts/sendprivate.inc.php
VERSION-7.5.4:CHANGED: scripts/showmembers.inc.php
VERSION-7.5.4:CHANGED: templates/default/inline_move.tpl
Get uploaded running the upgrade script?