1. Log out and close the website.
2. Open Adobe Reader on your computer.
3. In the toolbar, go to Edit and then select Preferences.
4. Click the Security (Enhanced) category on the left.
5. In the section Sandbox Protections, on the upper left, clear the check box for Enable Protected Mode at Startup.
6.In the section Enhanced Security, just under Sandbox Protections, clear the check box for Enable Enhanced Security.
7. Click OK.
8. Exit Adobe Reader.
9. Try to access the media again.
