ThioJoe covers a recent Windows Patch update that temporarily broke HTTP/2 localhost connections and explains which apps were affected. He details Microsoft’s rollback solution and offers additional ...

ThioJoe covers a recent Windows Patch Tuesday update that temporarily broke HTTP/2 localhost connections and explains which apps were affected. He details Microsoft’s rollback solution and offers ...

On October 14, 2025, Microsoft released the Windows 11 cumulative update KB5066835. It was intended to deliver security fixes and stability improvements, but instead introduced a serious problem. The ...

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.

Windows updates usually bring security enhancements, bug fixes and new features. Sometimes, though, these updates can also break parts of the operating system. Unfortunately, some updates for ...

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 ...

What just happened? Microsoft continues its tradition of making Windows a little more cumbersome with each monthly patch cycle. Following the October update, Windows 11 admins and developers are ...

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 ...

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 ...