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" ...
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 ...
Microsoft’s latest Windows 11 update, KB5066835, has broken localhost support and disrupted development workflows across the ...
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 ...
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 ...
In environments where the cumulative update for Windows 11 released by Microsoft in October 2025 (KB5066835) has been applied, an issue has occurred where localhost is no longer accessible. This has ...
Microsoft is preparing an emergency patch after its latest Windows 11 update caused major technical problems, including broken localhost connections and non-functional recovery tools. The issues stem ...
In today's 2-Minute Tech Briefing, a Windows 11 update broke localhost functionality, disrupting developer workflows just as ...
The Department of Justice and Constitutional Development (DoJ&CD) says its systems have been affected by a global Windows 11 ...