Rp1 crashing after trying to do simulation with a rocket.

[dodido101]

I installed RP1 and followed all the steps and it functioned normally but the 3rd time i played when i tried to simulate the rocket the game crashed i tried relaunching it and it gave me fatal error GC remapping failed i don't remember exactly what is said. So i tried reinstalling it again and had the same error message please help thanks.