Well...I'm only a noobie, but I've been wracking my brains for a way to sort this out...cant afford to loose 8 months work just like that...

Anyway my workaround was to take one of the working V4's I've got saved, export the head as an Obj.file with eyes open-close set to 1.000 and everything else zero'd (including full body morphs as some add wieght to the face).

I've then loaded them in as morph target in the faulty figure...seems to work OK so far...