Partial outageAnthropicMay 9, 2026

Claude Code IDE extension unable to load on Windows

A record of the Anthropic incident on May 9, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.

Started
May 9, 2026, 07:30 AM
Resolved
May 9, 2026, 09:24 AM
Duration
1h 54m
Impact
Partial outage

Current status

Anthropic is operating normally now. This incident has been resolved.

See current Anthropic status

What you can do during an outage

Source: Anthropic's official status page.

Other Anthropic incidents

  1. Elevated errors on Opus 4.7June 3, 2026
  2. Issue affecting some Claude Code servicesJune 3, 2026
  3. Elevated errors on multiple modelsJune 2, 2026
  4. Degraded performance for Claude Sonnet 4.6June 2, 2026
  5. Elevated errors on Claude Sonnet 4.6June 1, 2026