If you saved as an ascii I dont think OS would be the prob, I agree with stwert...version clash? and I also agree with Genny...post a screen or editor details to help this along. (BTW Gen...just checked out some of your work...love it...oh and your last name is SO cool!!!)
cheers bullet
bullet1968
"A Darkness at Sethanon", a book I aspire to model some of the charcters and scenes