If you encounter the Localhost refused to connect error message when running any web server on your local Windows 11/10 computer, then this post is intended to help ...
With the release of the Windows 10 Insider build 18945, the Windows Subsystem for Linux version 2 now supports the ability for Windows 10 applications to connect to WSL2 apps via localhost. When WSL2 ...
Update 10/17/25: Microsoft fixes the bug using a KIR (Known Issue Rollback) update. More information added to end of story. Microsoft's October Windows 11 updates have broken the "localhost" ...