Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Definitely has something to do with .NET, try installing this - https://dotnet.microsoft.com/download/dotnet-framework/thank-you/net48-web-installer and restart your PC.