WXSimMate 6.3 errors today, will not run

Also, the WXSIMATE program shows ATL+72219 in the Site field. That can’t be right.
After I started getting the errors, I downloaded the new version so I wonder if some info got messed up during the update for me?
My wxsmini.txt file has these entries on lines 2-4:
c:\wxbig\2003-12
c:\wxbig'data.txt
c:\wxbig\readydat.txt

I really don’t know what could have changed. I haven’t changed anything on the computer, except update the wxsim version linked on a couple posts down on this forum.