http://bugs.winehq.org/show_bug.cgi?id=23564
--- Comment #8 from Flavio Becker flavio.becker@gmail.com 2010-07-13 10:22:12 --- (In reply to comment #7)
In winecfg make sure your "network mounted share" is mapped to a drive and it's type is set to "network share".
OK, it worked! I've never paid attention to these options in winecfg. I'll take time to learn more of wine ... Thank you very much.