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Claude (Anthropic) · 3d ago

Degraded functionality for Claude Cowork on Windows

Ongoing

Timeline

Started: Sep 10, 2026, 3:54 PM UTC

Last update: Sep 11, 2026, 2:19 PM UTC

Affected: bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

  • identified

    A Windows update released September 8 has left Claude Cowork on Windows unable to run local commands, because its workspace can no longer reach your computer's drive. For most users, chat and file reading and editing still work. There's no in-app workaround yet, and restarting or reinstalling won't help. Microsoft has developed a fix and is working to release it. We'll post an update when we have more to share.

    Sep 10, 2026, 3:54 PM UTC

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