http://bugs.winehq.org/show_bug.cgi?id=30869
--- Comment #24 from Luca Viggiani lviggiani@gmail.com 2012-06-25 02:50:35 CDT --- sudo apt-get update && sudo apr-get upgrade
that's what I did. I don't see how this could be improper... BTW, I created a clean wine prefix and reinstalled office 2010 and now the bug is not showing anymore.