The only errors I get during the upgrade are below, but I think this is just failing to delete files?
Warning: unlink(/adm-userg.php): No such file or directory in G:\webs\
www.bm3w.co.uk\public_html\ug\upgrade.php on line 2077
Warning: unlink(/adm-approve.php): No such file or directory in G:\webs\
www.bm3w.co.uk\public_html\ug\upgrade.php on line 2078
Warning: unlink(/adm-db.php): No such file or directory in G:\webs\
www.bm3w.co.uk\public_html\ug\upgrade.php on line 2079
Warning: unlink(/adm-menu.php): No such file or directory in G:\webs\
www.bm3w.co.uk\public_html\ug\upgrade.php on line 2080