Program crashes upon startup

[Bryan Previte]

For some reason, for the past six months or so, whenever I have tried to run 
Lilypond, instead of running, it has given me a "Lilypond has encountered a 
problem and must close" error. It worked fine before a few months ago, but 
since then, every single time I even try to run the program, it gives me that 
same message. I'm running Windows XP SP2, and I have the latest version of 
Python on my system. I think it might have to do with a plugin I added to 
openoffice.org, but 1- if it isn't that, I don't know what might be the 
problem, or 2- if it is that, I don't know how to fix it so that Lilypond works 
again. How do I get this program to work again?

       
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