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 › Renaming a file or a folder
To rename your file or folder, please click on the little blue button with the downward arrow and select ‘Properties/Rename.’  On the small pop-up window please enter the new title under the ‘Name’ field and click ‘Okay’ to complete the process. 

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