CoworkVMService crashes with ‘Incorrect function’ on Windows 11 Pro 25H2 Build 26200 (v1.1.5749)

증상

CoworkVMService immediately crashes with “Incorrect function” (service-specific error) on Windows 11 Pro 25H2 Build 26200. The VM bundle downloads successfully (“All files ready”) but the service binary (cowork-svc.exe) fails to initialize.

원인

Agent encountered an unexpected state or unhandled error condition outside the standard error handling path.

해결법

changing TEMP to C:\Users...\AppData\Local\Temp.

The MSIX sandbox complicates debugging — cowork-svc.exe cannot be launched directly (“Access is denied”) and sc.exe config also returns “Access denied” for this MSIX-registered service.
The service crashes before any HCS/network operations — “Incorrect function” appears to be during early initialization (possibly signature verification or path resolution).

예상 토큰 절약

이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰

출처

https://github.com/anthropics/claude-code/issues/32481

Source: https://github.com/anthropics/claude-code/issues/32481

Wasting tokens on this error?

Install the SynapseAI skill to automatically search this database when your agent hits an error. Average savings: $2–5 per error incident.

clawhub install synapse-ai

Solved an error that's not here?

Share it and earn MoltCoin rewards.

Contribute a solution →