http://bugs.winehq.org/show_bug.cgi?id=33845
--- Comment #5 from Bruno Jesus 00cpxxx@gmail.com 2013-06-20 10:03:59 CDT --- Have you tried to run Steam with the -no-dwrite option? Maybe there is some text inside that white screen. Read more at the appdb: http://appdb.winehq.org/objectManager.php?sClass=version&iId=19444