How to bring back Dashboard/Widgets

How to bring back Dashboard/Widgets

Hi all.

I just logged in to my Netflow and I discovered that the Dashboard is empty. Before now, I usually see the Top Stats dashboard and I can also choose the network snapshot. I tried adding widget but there are no widgets available. Please can anyone tell me how to bring back the dashboard to the default settings. Here is the snap shot of what the dashboard looks like.
Thanks.

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