problem with prograssive mesh...HELP..

[Super Veggeto]

when i try to use prograssive mash my ms3d crashes...
well...it happens when im selecting the whole model and then mash it...
but if i select a part of the model and mash it it's not working...its not effecting the model...what should i do...???

 

[zeldalink]

wel i personaly think u got to little cache ore memory