The first poster is the exception to the rule and not the rule. I personally installed the Anniversary Update on 7 of my own/relatives computers with absolutely no issues.
My cousin installed it on...

I am asking this because on all 5 of my PC's, when I am running Adobe Acrobat Reader DC to view a .pdf file, unless I have gone out of my way to rename and/or delete this file it uses a bleepton of...