If your organization does not permit end users to download files from the Web, you may need to deploy Silverlight to your organization’s users’ computers. Silverlight is a necessary component to use Backup Exec Retrieve.
Functioning as an administrator, you can download the latest version of Silverlight from the following Web site:
http://www.microsoft.com/silverlight/downloads.aspx
For guidance on deploying the Silverlight run time in your own organization, see the following:
http://www.microsoft.com/silverlight/resources/technical-resources/