What is overriding Windows proxy settings (inserting “vsts-proxy-installed-indicator”) and how do I turn it off?

Question

I have a number of machines, all of which have Visual Studio installed, where something (presumably visual studio) is overriding the proxy settings: setting up localhost and

Answer 1

This happens because you've enabled "ASP.NET Client Proxy for IntelliTrace and Test Impact" in the Test Settings.

To disable - VS2010: Open the menu Test > Edit Test Settings > (select the current active test settings), select Data and Diagnostics and disable the mentioned setting.

To disable - VS2013: Double click on the enabled* .testsettings-file in the solutions explorer, select Data and Diagnostics and disable the mentioned setting.

*) You'll find which one is enabled (if any) under TEST> Test settings