in the webassist/kfm/configuration.php file, the path to the uploads folder:
$kfm_userfiles_address = '/uploads';
needed to be changed to:
$kfm_userfiles_address = '../../uploads';
also in the /beemail_insert.php file, the file browsert settings:
$CKEditor_config["filebrowserBrowseUrl"] = "/uploads?uicolor=".urlencode(isset($CKEditor_config["uiColor"])?str_replace("#","#",$CKEditor_config["uiColor"]):"#eee")."&theme=webassist_v2&showsidebar=false";
needed to be changed to:
$CKEditor_config["filebrowserBrowseUrl"] = "../webassist/kfm/index.php?uicolor=".urlencode(isset($CKEditor_config["uiColor"])?str_replace("#","#",$CKEditor_config["uiColor"]):"#eee")."&theme=webassist_v2&showsidebar=false";