App does not run once USB Cable disconnected

We are seeing a strange behavior with the windows phone 8 app.
The app is built on phonegap. When the device is connected to the PC via USB cable, and app is installed to the device through the Visual Studio, it runs normally as long as the cable is connected to the device. But once the cable is disconnected from the
device, the app stops working. 
Any reason why this should be the case? Is there anything we are missing?

This does not sound like anything that is normal to Windows Phone development.  Have you asked on the PhoneGap forums (if there is one)?
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

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              989 MB             Active RAM
              934 MB             Inactive RAM
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