Please provide some information. What kind of video are you trying to play with Adobe Reader???
A tutorial from knitpicks.com-learning to knit socks on yhe magic
Can you post a link to the PDF document?
I have looked at a video at http://www.knitpicks.com/tutorials/Loop_Cast_On__D4.html
You will need Flash Player for this, not Adobe Reader.
Download it from http://get.adobe.com/flashplayer/
If you need more help, please specify your operating system & web browser.
[topic moved to Flash Player forum]