1) those DVDs are coded in Region 1(
Canada, United States; U.S. territories; Bermuda)
you will have to change the region code on the dvd-rom to region 1
2) if you bought the stand alone DVD player in the U.S. it will play
region 1 dvds and nothing else(some dvd players will play region code 1-6)
3) to change the code in windows vista you'll have to go under the drive
property's in the device manager
go to the dvd region tab and set it to what ever the number on the back of the dvd is WARNING you only get 4 changes before the drive locks you out
permanently then your stuck with what ever number you put in on the 4th try you've been warned
windows xp/2000/98/me
you'll have to change the region code from your software player again your limited on how many times you can change the region code before
you have to reinstall the dvd player software