Solved.
The problem is that I´m using Modelio 3.3.1 with Java 7. And it requires Java 8.
The problem is that Java 8 is incompatible with Windows XP. And my computer has Windows XP.
The problem is that I´m using Modelio 3.3.1 with Java 7. And it requires Java 8.
The problem is that Java 8 is incompatible with Windows XP. And my computer has Windows XP.