minorArchivedAnthropicvWindows update released September 8

Anthropic: Degraded functionality for Claude Cowork on Windows

Investigating(done)
Trending(skipped)
Workaround available(skipped)
Resolved(done)
Archived

Executive summary

A recent Windows update (September 8) caused Claude Cowork on Windows to be unable to run local commands, affecting its ability to reach the user's computer drive for workspace access. Most users can still use chat and file reading/editing functionalities, but no in-app workaround is available yet. Microsoft has developed a fix that will be released soon.

No verified workaround yet

This incident was resolved upstream without a reported workaround.

Official fix

Technical root cause

A recent Windows update (September 8) left Claude Cowork on Windows unable to run local commands due to the workspace not being able to reach the user's computer drive.

Evidence

1 report · 1 StatusShow

[1]
Status First report2 months ago
Degraded functionality for Claude Cowork on Windows(opens official status page in a new tab)
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. Resolved: This issue has been resolved. Microsoft has released a…
by anthropic status

Timeline

First report on status pageSep 14, 19:14 UTC
Degraded functionality for Claude Cowork on Windows
Source
Official statementSep 14, 19:14 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.
Source
Status changedSep 14, 19:14 UTC
Status changed: new → archived (resolved more than 14 days ago).