on 20-07-2015 05:27 PM
When I open older Adobe Illustrator files I get the following message:"Acrobat PFD File Format is having difficulties. Expected a non-negative integer."Anyone who knows how to stop it??My old illustrator file is illustrator 9
on 27-07-2015 04:23 PM
Try to place the files in a blank AI CS document instead of opening them.
See more info here: https://forums.adobe.com/message/6873996#6873996
