Please, make sure that parents have downloaded and installed the below required browser Plug-ins. They may also need to restart the browser before they try again.
Required Browser Plug-ins for EM Technology (all are free downloads):
Macromedia Flash Player: Latest Version 
Macromedia Shockwave Player: Latest Version 
Adobe Acrobat Reader: Version 6.0 (Teachers only) 
Hope this helps! Please let me know if you are still having trouble getting it to work!
Thanks,
Michelle Rawson