Claude Cowork Troubleshooting Guide
This guide helps non-developer knowledge workers fix errors in Claude Cowork — Anthropic's AI-powered virtual workspace. Every fix is written in plain language, with separate instructions for personal and work-managed computers.
Not sure if your computer can run Cowork?
👉 Check your computer's readiness first
Where are you in the process?
🔧 Still setting up Cowork?
Start with the Getting Set Up section for your platform. These pages cover errors that happen during installation and first launch.
✅ Cowork is installed — but something stopped working?
Use the After Set Up sections. Each tier covers a specific category of error.
| Tier | What it covers |
|---|---|
| Tier 1 — Networking & Plugins | API unreachable, session file corruption, plugin marketplace failures |
| Tier 2 — Scheduled Tasks | Task creation fails, tasks that don't run, storage path conflicts |
| Tier 3 — Connectors & Add-ins | MCP registry errors, OAuth failures, Office add-in bugs |
| Tier 4 — Known Issues | Confirmed bugs or OS limits that require Anthropic to fix |