## Degraded functionality for Claude Cowork on Windows

- 種別: status
- 関連技術: anthropic
- 公開日時: 2026-09-14T19:14:45.000Z
- 情報源: Anthropic Status (https://status.claude.com/incidents/r1pqn1kb4hvk)
- パーマリンク: https://vulnpulse.app/items/anthropic-status-4c17893bd057

Sep 14 , 19:14 UTC Resolved - This issue has been resolved. Microsoft has released a September 14 Windows update that fixes it: https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update Sep 10 , 15:54 UTC 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 deve…