Possibly a problem with font caches? (I'm no MS guru, but if you are having font weirdness, cleaning/clearing the font cache probably won't hurt)
(Google clear font caches in windows 7 for your system)
It could have been edited from a cut of Aachen…
I think this is started life as Birch …
Could be … Can you find a larger sample?
As drf points out it's unlikely to be the font that's the problem.
Have a look at this 'google' search:
Hangs/crashes seem to be a bit of a common theme, so you may find your solution there …
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