Tag · 4 posts

bug-fix

Root-cause diagnostics for bugs in Claude Desktop, browser connectors, and AI tooling around them.

Everything Broke at Once: Triaging Claude Desktop After a Week of Outages

Fixing three Claude Desktop failures on Windows: 'VM service not running' in Cowork, Google Drive connector returning empty results, and persistent 'This isn't working right now' errors -- with PowerShell diagnostics, log analysis, and root causes.

Mar 23, 2026
claude-code
Fixing 'VM Service Not Running' in Claude Desktop Cowork on Windows

The same error message covers at least six different root causes. Here's the diagnostic decision tree with PowerShell commands, log locations, and fixes for each one.

Mar 23, 2026
cowork
Fix: Cowork's file_upload Tool Returns 'Not Allowed' on Every Origin

The Claude in Chrome file_upload tool fails with CDP error -32000 on every site. The fix is a single Chrome extension setting. Here's the one-line solution, the diagnostic that found it, and the wrong assumptions along the way.

Mar 09, 2026
cowork
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.

Mar 08, 2026
cowork