http://bugs.winehq.org/show_bug.cgi?id=10709
--- Comment #3 from Aleksandr Yakimov aleks@spamtest.ru 2008-01-12 06:22:28 --- Have you read http://appdb.winehq.org/objectManager.php?sClass=version&iId=9432 HOWTO?
It seems Intel GMA 900 not supported by Portal.