Visual Studio 2017 fails to deploy UWP apps to IoT device - windowsiot

Visual Studio (VS 2017) has started failing to deploy to my IoT device ... I recently started using a more recent version of Windows 10 IoT Core (upgraded from build 17134 to insider build 17692) and Visual Studio can no longer deploy UWP apps.
The reported error is:
DEP6957: Failed to connect to device [IP Address] using Universal
Authentication. Please verify the correct remote authentication mode
is specified in the project debug settings. COMException - Exception
from HRESULT: 0x801C0003
The IP address is valid and VS can see the device.

This seems to be an error reflecting a mismatch between the Windows SDK installed on the Visual Studio machine and the OS version on the IoT device.
For recent versions of Windows 10 IoT Core (I'm using the insider images that you can install through the Windows IoT Dashboard), a recent version of the Windows SDK (I used Windows 10 SDK 1803) must be installed on your deployment machine.

Also uninstalled and reinstalled UWP parts of VS as described above.
Finally, I clicked on "update" for the whole VS installation (Visual Studio Installation program). Drew 4GB out of the net over night and in the morning everything was working as it should...

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Visual Studio gives me this Message:
The Visual Studio 2015 Remote Debugger (MSVSMON.EXE) does not appear to be running on the remote computer. This may be because a firewall is preventing communication to the remote computer. Please see Help for assistance on configuring remote debugging.
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I've developed an application that uses SQL Server (in particular LocalDB), and, I have just pushed it out to the client.
The client runs Windows 8.1 x64, but, when I try to install either x86 or x64 version of SQL LocalDB direct from Microsoft, I keep getting this error:
Microsoft SQL Server 2014 Express LocalDB
Installation of this product failed because it is not supported on this operating system. For information on supported configurations, see the product documentation.
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How can I resolve this?
Please right click the LocalDB setup file and check if it is configured with other compatibility mode. And make sure that you choose “Run as Administrator” to start the installation. There is also a similar thread for your reference, which may require you to reinstall the Windows to resolve the OS error.
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Exact error when opening the application on client machine is
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I went and downloaded the latest version from Microsoft, installed it, retried my installer and then everything worked.

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