If I embed mp3 into pdf, and place on the web
when I open the pdf via the web, and click the mp3 link (sample in below link, pls click point one item)
it will prompt continue this action or not every time, if I've many pdf docs it would be troublesome....how I can prevent this happan? thanks a lot!!
You can try to add the host to privileged locations.
1. To do so, open Reader-> Go to Edit-Preferences-> Seurity (Enhanced).
2. Click on Add Host and speicify the host URL. For the pdf you provided, adding http://www.classroom.com.hk to it resolved the issue.