I\'m trying to figure out how to install Visual Studio Community 2015 on another drive besides my C:\\ drive. Every time I open the installer of VS it shows the save locatio
Uninstall the plugins first. And then try this. This uninstaller worked like a charm (I didn't even uninstall 2015 myself, it did everything on its own)!
I found these two links which might help you:
https://www.reddit.com/r/csharp/comments/2agecc/why_must_visual_studio_be_installed_on_my_system/
http://www.placona.co.uk/1196/dotnet/installing-visual-studio-on-a-different-drive/
Basically, at least a portion needs to be installed on a system drive. I'm not sure if your D:\ corresponds to some external drive or an actual system drive but the symlink solution might help.
Good luck