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" ...

Ensure you have two WSL 2 instances. Start the second WSL instance (using wsl -d <distribution_name>). Attempt to bind any local port on localhost or 127.0.0.1 (for example, by starting a local web ...

Microsoft’s latest Windows 11 update, KB5066835, has broken localhost support and disrupted development workflows across the ...

Did Microsoft just break its own operating system while encouraging millions to update? For some Windows 11 users, the ...

Microsoft confirms a new Windows 11 issue affecting the Recovery Environment, with an emergency update now rolling out to ...

The transition from CSP to KSP has triggered failures in smart card authentication, IIS connectivity, and recovery mode ...

Microsoft's timing is awkward, as it continues to encourage Windows 10 users to upgrade now that official support has ended.

Microsoft has since indicated that a fix is on the way in a subsequent update for issues with Windows 11 KB5066835. The ...

Google is reportedly in discussions with AI startup Anthropic for a significant new deal. The agreement could see Google provide Anthropic with cloud ...

The Department of Justice and Constitutional Development (DoJ&CD) says its systems have been affected by a global Windows 11 ...

These problems present for users who were running Windows 11 version 24H2 or 25H2 before deploying the patch. Making the ...