Anthropic experienced two separate incidents on September 10, 2026, affecting users of its Claude services. One incident involved degraded performance and timeouts on the Claude API for customers whose traffic routed through the US Midwest. The second incident impacted Claude Cowork on Windows, preventing it from running local commands due to a recent Microsoft Windows update. AI
IMPACT Service disruptions can impact user productivity and trust in AI tools.
RANK_REASON The cluster describes service degradations and functionality issues for existing products, not a new release or significant industry event.
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