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 ...

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 ...

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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 ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

Samsung’s redesigned BioActive sensor delivered highly accurate results when we tested the 2024 crop of Galaxy Watch products, but it also unlocks an exclusive health insight: the AGEs index.

Security researchers say Meta and Yandex used native Android apps to listen on localhost ports, allowing them to link web browsing data to user identities and bypass typical privacy protections.

Community driven content discussing all aspects of software development from DevOps to design patterns. Nginx is the DevOps community’s most beloved http web server. And developers love the PHP ...

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