[BUG] Cowork UI "Request failed. Retrying" while VM reports API REACHABLE — Chat works fine (Windows)
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?
Windows version: 10.0.26200
Claude version: 1.26832.0.0
Pro plan
VM starts and reports API REACHABLE
Chat works, Cowork UI fails with "Request failed. Retrying"
What Should Happen?
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [x] This is a single bug report
- [x] I am using the latest version of Claude Code
Environment
- Claude Desktop version: 1.26832.0.0
- Windows build: 10.0.26200
- Plan: Claude Pro
- Hyper-V: Enabled (via bcdedit)
- CoworkVMService: Running
- HCS services (hns, vmcompute, vfpext): All running
What's Wrong?
Chat works perfectly. Cowork fails with "Request failed. Retrying in Xs (attempt N of 10)" and never connects.
The VM starts successfully and reports:
- Network status: CONNECTED
- API reachability: REACHABLE
- Startup complete (total time: ~6500ms)
The web log shows repeated "Failed to fetch" errors and
"[account_profile] data is undefined", suggesting the Cowork
web view cannot authenticate or reach the API even though the
VM layer confirms connectivity.
Steps to Reproduce
- Open Claude Desktop on Windows
- Chat tab works normally
- Switch to Cowork tab
- Enter any task (e.g., "say hello")
- Observe "Request failed. Retrying in 1s (attempt 1 of 10)"
- Retries up to attempt 10, then fails
Troubleshooting Already Attempted
- Restarted CoworkVMService
- Set Ethernet MTU to 1400
- Tested on mobile
Error Messages/Logs
Steps to Reproduce
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [x] This is a single bug report
- [x] I am using the latest version of Claude Code
Environment
- Claude Desktop version: 1.26832.0.0
- Windows build: 10.0.26200
- Plan: Claude Pro
- Hyper-V: Enabled (via bcdedit)
- CoworkVMService: Running
- HCS services (hns, vmcompute, vfpext): All running
What's Wrong?
Chat works perfectly. Cowork fails with "Request failed. Retrying in Xs (attempt N of 10)" and never connects.
The VM starts successfully and reports:
- Network status: CONNECTED
- API reachability: REACHABLE
- Startup complete (total time: ~6500ms)
The web log shows repeated "Failed to fetch" errors and
"[account_profile] data is undefined", suggesting the Cowork
web view cannot authenticate or reach the API even though the
VM layer confirms connectivity.
Steps to Reproduce
- Open Claude Desktop on Windows
- Chat tab works normally
- Switch to Cowork tab
- Enter any task (e.g., "say hello")
- Observe "Request failed. Retrying in 1s (attempt 1 of 10)"
- Retries up to attempt 10, then fails
Troubleshooting Already Attempted
- Restarted CoworkVMService
- Set Ethernet MTU to 1400
- Tested on mobile hotspot (same failure)
- Cleared app cache (Local Storage, Session Storage, Cache)
- Signed out and back in
- Ran DISM /RestoreHealth and sfc /scannow
- Enabled hypervisor via bcdedit /set hypervisorlaunchtype auto
Expected Behavior
Cowork should process requests since the VM reports API is reachable.
Logs
See attached log files.
Claude Model
None
Is this a regression?
I don't know
Last Working Version
_No response_
Claude Code Version
1.26832.0.0
Platform
Anthropic API
Operating System
macOS
Terminal/Shell
Terminal.app (macOS)
Additional Information
claude.ai-web.log
cowork_vm_node.log
main.log
ssh.log
unknown-window.log