In order to get this to run on a non-dev runtime box, you’ll need to install multiple of not all of these runtimes located here: https://learn.microsoft.com/en-gb/cpp/windows/latest-supported-vc-redist?view=msvc-170I think the 2005VCRuntime along with the 2015-2019VCRuntime got it working on my Server 2019 Core setup. Here is a sample HTML5 socket webpage if you’d like to access it …