problem after 'in place update'

So, for the past few days, I've been working out the various steps 
needed to get the latest MikTeX 2.9 updates working. In the process, I 
usually did a full re-install of MikTeX, and then updated from there. 
Finlly got things working.

However, on one of my machines, I deciided to try an in place update -- 
not re-installing from scratch. Went through all the same steps. While 
standard laTeX docuemnts compile perfectly, I've had some problems with 
some of my lua* compile attempts, involving an error message I've not 
seen before, but which I think is due to some 'font weirdness' -- I've 
copied the relevant parts of the log below. Can anyone help me decipher 
what the error is, and what I need to do to resolve it.  If it helps, 
I've also put the call to fontspec and related things at the bottom 
(note: this compiled perfectly before the upgrade...and yes, I've 
updated lualatexiniconfig.tex to handle unicode-math. Thats not the 
problem.)

Command Line:   lualatex.exe --shell-escape --enable-write18 
"lecture_notes.tex"
Startup Folder: C:\Users\egc\Desktop\notes

This is LuaTeX, Version beta-0.76.0-2013062419 (rev 4627)
  \write18 enabled.

<snip>


("C:/Program Files (x86)/MiKTeX 
2.9/tex/generic/oberdiek/gettitlestring.sty"))(l
oad luc: 
$TEXMFCACHE/luatex-cache/generic/fonts/otf/lmsans17-regular.luc)(load l
uc: $TEXMFCACHE/luatex-cache/generic/fonts/otf/lmsans10-bold.luc)(load 
luc: $TEX
MFCACHE/luatex-cache/generic/fonts/otf/lmsans17-oblique.luc)
luaotfload | db: reload initiated; reason: âEURoeunresolved font name: 
âEUR~câEUR^(TM)âEUR?
luaotfload | db: Font names database saved
! Font \EU2/lmss/m/sl/17.28=c:/program not loadable: metric data not 
found or ba
d.
<to be read again>
f
l.64

?


\usepackage{fontspec}
\setmainfont{Minion Pro}
\usepackage[partial=literal]{unicode-math}
\setmathfont{Asana Math}
\setmathfont[range=\mathup]  {Minion Pro}
\setmathfont[range=\mathbfup]{Minion Pro Bold}
\setmathfont[range=\mathbfit]{Minion Pro Bold Italic}
\setmathfont[range=\mathit]  {Minion Pro Italic}
%%% re-load main math font to ensure correct MATH table values are used:
\setmathfont[range={\mathtt->\mathtt}]{Asana Math}
------------------------------------------------------------------------------
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