Didn’t you encounter the annoying progress bar in Acrobat or Acrobat Reader, saying it is rotating images? It makes you so inefficient ?!
To get rid of this, go to Control Panel => Ease of Access => Ease of Access Center (or “win + U” key), and then uncheck the two checkboxes:
BTW: To disable content preparation: simply rename
Accessibility.api and ReadOutLoud.api to sth else. Cheers.