Microsoft confirmed that Windows 11 KB5066835 breaks localhost (127.0.0.1) HTTP/2 connections, which means locally hosted apps can no longer connect to your network, but that’s not the only problem.

Microsoft has fixed a known issue breaking HTTP/2 localhost (127.0.0.1) connections and IIS websites after installing recent Windows security updates. This bug affects both Windows 11 and Windows ...

Microsoft’s latest Windows 11 patch tripped over its own shoelaces and knocked out localhost, leaving devs unable to reach web apps running on their own machines. The October cumulative update ...

The problem first surfaced on Microsoft's own support forums and quickly spread to Stack Overflow and Server Fault after the October 2025 cumulative update (KB5066835) landed, which appears to have ...

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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are a variety of reasons why developer or DevOps professionals locally install the Apache ...

Facebook and Yandex have been caught performing user-hostile tracking. This sort of makes today just another Friday, but this is a bit special. This time, it’s Local Mess. OK, it’s an attack with a ...

docker container running locally with the image built using the following Dockerfile: FROM codercom/code-server:4.91.1 CMD ["dumb-init", "code-server", "--proxy ...