Target File Already Exists:\includes\modules\pages\payer_auth_verifier\header_php.php

[Limitless]

Using Filezilla, I always see local and remote file sizes as very slightly different (local is larger). Maybe it has something to do with how file storage works on my pc vs. the server.

Agreed.

Windows (local) and Linux (server) have ~slightly~ different file sizes for me as well.