Thank you so much for the help! Reinstalled and it works great, no errors.

Thanks again,
Federico Scholcoff

<r>Your suggestion worked!! OpenSim started up, but I still get an error/warning. Here it is..<br/> <br/> Required library failed to load. Check that the dynamic libraries osimJavaJNI and osimSimbodyEngine are in your PATH java.jang.UnsatisfiedLinkError: C:\Program Files (x86)\OpenSim 1.9.1\bin\osim...

<t>Hello.<br/> <br/> I just downloaded OpenSim and, like a few other people, I get a java.lang.NullPointerException exception upon startup. I am running Windows 7 and and have tried starting OpenSim in several different compatibility modes (Windows 2000, Windows XP) and I still get the same error. <...