Tag · 5 posts
cowork
Claude Desktop's Cowork mode: session format, conversation storage, bug fixes, and diagnostic guides.
- Fixing 'VM Service Not Running' in Claude Desktop Cowork on WindowsOne error message covers at least six root causes. Here's my diagnostic decision tree, with PowerShell commands, log locations and a fix for each.bug-fix
- Where Claude Desktop Actually Stores Your Cowork ConversationsWhere Cowork conversations live on Windows, found through session manifests: transcript paths, message and tool-call records, and per-session costs.
- Fix: Cowork's file_upload Tool Returns 'Not Allowed' on Every OriginClaude in Chrome's file_upload tool fails with CDP error -32000 on every site. The fix is one Chrome extension setting, and here's how I found it.bug-fix
- Fix: Claude Desktop Freezes on Startup (Cowork Scheduled Task Bug)High-frequency Cowork scheduled tasks can brick Claude Desktop on Windows and macOS. Root cause: the catch-up mechanism. Fix: rename one JSON file.bug-fix
- Reverse-Engineering Claude Desktop's Cowork Session FormatThere's no official schema for Claude Desktop's Cowork session files, so I read 146 of them, diffed the fields, and documented what Anthropic stores locally.