[BUG] Claude Cowork workspace failed to start again
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [x] This is a single bug report (please file separate reports for different bugs)
- [x] I am using the latest version of Claude Code
What's Wrong?
Following yesterday's Cowork issue, I upgraded Claude desktop app to the latest version today so I could start using it again. However, about 10mins ago, Cowork began to fail on scan & sync the workspace. I showed my Windows explorer view to cowork and it told me the mismatch on its side of the timestamp for the files with my sight was probably a sync issue and could be resolved by force close Claude to force it scan when opening up again. I followed the instruction and now Claude cowork failed to start the workspace again, the same thing as I saw yesterday during Cowork's outage.
Claude 1.3109.0 (35cbf6) 2026-04-16T20:32:01.000Z
Windows 11 Version 21H2
What Should Happen?
Cowork should be able to start and sync with its own workspace folder.
Error Messages/Logs
Steps to Reproduce
Open up a cowork project
Claude Model
None
Is this a regression?
I don't know
Last Working Version
_No response_
Claude Code Version
1.3109.0
Platform
Anthropic API
Operating System
Windows
Terminal/Shell
Other
Additional Information
_No response_
3 Comments
Found 3 possible duplicate issues:
This issue will be automatically closed as a duplicate in 3 days.
🤖 Generated with Claude Code
Reviewed the other issues and found no actual duplicates. Although there are similar bugs reported about Cowork, all seem to be linked to Cowork workspace & VM issue.
This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.