How to fix: Windows 10 Mobile error during bootstrapping stage

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Quick blog post for you all today. As you may know if you’re on the fast ring Insider build of Windows 10 Mobile there is an issue when trying to deploy UWP apps out to a device from within Visual Studio. Developers are met with the error: DEP6100 and DEP6200 both relating to a failure while Bootstrapping to the device.

Our Windows team at UI Centric has hit this issue with multiple devices against several different dev machines so we know it is probably hitting many other Windows 10 developers. With build 10581 of Windows 10 mobile it appears Microsoft have fixed the underlying issue, however if your tools are in a bad state – or if you try to deploy to a phone that still has this issue and hit it once – you made need to take steps to get back to a working setup.

We’ve used the following steps on several PCs and Laptops so at this point I’m expecting they will work if followed exactly, that said, your mileage may vary.
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