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unknown / Cowork

Missing HCS services: vfpext on Windows 11 Pro

Missing HCS services: vfpext on Windows 11 Pro

Problem statement normalized from the linked evidence
CANDIDATE VIEW · NOT A PUBLISHED OPPORTUNITY
01

Qualification checklist

Gate decision: Aug 15, 2026

×
At least 3 independent users2 / 3
NOT MET
×
At least 2 independent discussions1 / 2
NOT MET
At least 1 supporting signal2 Workarounds
MET
02

Observed signals

Users2
Discussions1
Mentions2
Active days2
Source coverageGitHub
TrendUNKNOWN
First seenJul 12, 2026
Last seenJul 13, 2026

Why the gate is holding

  • Fewer than 3 independent users
  • Fewer than 2 independent discussions

Competition research, commercial scoring, and Build Gap analysis do not run until this gate passes.

03

Source evidence

2 evidence records

github · MEDIUM · Jul 13, 2026

anthropics/claude-code

> > After enabling it and rebooting, `vfpext` showed up as a real service (`Stopped`, `StartType: System` — it starts on demand when a switch is created) and **Cowork started working immediately**. > > So the full fix for "Missing HCS services: vfpext" on Windows 11 Pro appears to be: enable Hyper-V **and** Windows Sandbox, not just Hyper-V. Might be worth adding Windows Sandbox to the documented prerequisites, since it's easy to miss — it's off by default even on Pro/Enterprise and isn't mentioned as a Cowork requ…
WORKAROUND

nx693 · anthropics/claude-code

View original

github · MEDIUM · Jul 12, 2026

anthropics/claude-code

> After enabling it and rebooting, `vfpext` showed up as a real service (`Stopped`, `StartType: System` — it starts on demand when a switch is created) and **Cowork started working immediately**. > > So the full fix for "Missing HCS services: vfpext" on Windows 11 Pro appears to be: enable Hyper-V **and** Windows Sandbox, not just Hyper-V. Might be worth adding Windows Sandbox to the documented prerequisites, since it's easy to miss — it's off by default even on Pro/Enterprise and isn't mentioned as a Cowork requir…
WORKAROUND

apichardo70 · anthropics/claude-code

View original