It appears that your firewall may be blocking Box.net or you are encountering an error.

Please contact your IT administrator to configure your firewall to recognize all sub-domains of .box.net and .boxcdn.net. The ports that should be opened for these domains are 80 and 443.

If that does not resolve the issue, then please submit a support ticket at http://www.box.net/help.
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Help › File Scheduling
All Business users have the ability to either schedule a file to be deleted or schedule for a web link to be deactivated within an account.  You can select the 'schedule task' option on any file and select a specific date as shown below.
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