http://bugs.winehq.org/show_bug.cgi?id=12111
--- Comment #12 from Louis Lenders xerox_xerox2000@yahoo.co.uk 2008-03-24 12:07:45 ---
TopSpin installation log using native netapi32.dll
The reason it fails now with native netapi32 is apparently it can not find samlib.dll. Copy it from your windows partition to system32. If the installation gets further we at least know the bug is in wine's netapi32.