Should have nothing to do with Win 10 as it can not change that date. If it could it would change it do the date the files was written on your computer. The files are dated by the program used for creating the files and for some reason it has a wrong date. The .pdf format was not created back in '85, it was first released in '93.
"Cats are the only animals that are both uber, pwns and 1337 at the same time." -King Euric
By reading this fine print your soul is now the exclusive property of HeavenGames.[This message has been edited by PCDania (edited 01-20-2018 @ 11:45 AM).]