Metaballs disappear when having more than one. ! heeelp!

This is a bug in Blender 2.44 that occures when having used metaballs for a while.
If a scene have more than one metaball in it, the metaballs disappear, and are not renderet.

I need metaballs for a project that I have to deliver the day after tomorrow.!! ! Help soon pleeaaaassse! ! ! ! !

similar problem described here!

Now, I just found out that It only happens in the scene im operating in. Heres the file, if you want to try it out: