WANABEALLURS

my avi quits doin what i want it to after like 5-10 secs.... like me and my gf were tryin to have sex and it would get into the position we choose but after like 5-10 secs it goes in to sit position... she used to to have second life 1 dl'ed and never had a prob until she dl'ed the latest version.... any one know why this is happeneing and how to fix it??????