The links provided by Almir are wrong - they are for downloading Reader, not the Acrobat updates.
ftp://ftp.adobe.com/pub/adobe/acrobat/win/8.x
ftp://ftp.adobe.com/pub/adobe/acrobat/mac/8.x
Go to In addition to that, you also need to make sure that you download the correct files. You need to try to figure out what files you need based on the filenames and your installation language. The filename part "efgj" for example stands for "English, French, German, Japanese".
Make sure you install the updates in the correct order.
Karl Heinz Kremer
PDF Acrobatics Without a Net
PDF Software Development, Training and More...
http://www.khkonsulting.com