As regards to the symbols: not, there's nothging strange, not even a ñ.
I was using the 2.43 version, the 2.0 works for me.
The problem happens once I iniciate the simulation. I select alga minimalis and animal minimalis, but either I connect or not to internet, the problem it's said anyway. When I accept it, the simulation continues but, at a not definite time (more or less 0,5 seconds), it returns me the error again.