http://bugs.winehq.org/show_bug.cgi?id=14356
--- Comment #13 from Lei Zhang thestig@google.com 2008-07-16 15:30:46 --- Hmm, maybe $USERNAME was not set. Can you just run:
ls -la $HOME/.wine/drive_c/windows/profiles/simjoko
In anycase, can you try applying this patch [1] to wine-git, recompile, mv ~/.wine ~/.wine.old, and try again?
[1] http://www.winehq.org/pipermail/wine-patches/2008-July/057959.html