Anthropic incident

Claude Cowork not starting for some users

Major Resolved View vendor source →

Anthropic experienced a major incident on April 16, 2026 affecting Claude Cowork, lasting 2h 4m. The incident has been resolved; the full update timeline is below.

Started
Apr 16, 2026, 07:24 PM UTC
Resolved
Apr 16, 2026, 09:29 PM UTC
Duration
2h 4m
Detected by Pingoru
Apr 16, 2026, 07:24 PM UTC

Affected components

Claude Cowork

Update timeline

  1. investigating Apr 16, 2026, 07:24 PM UTC

    We are currently investigating this issue on the v1.3036.0 release of Claude Desktop

  2. identified Apr 16, 2026, 08:47 PM UTC

    The issue has been identified and a fix is being implemented.

  3. resolved Apr 16, 2026, 09:29 PM UTC

    This incident has been resolved in the v1.3109.0 release of Claude Desktop. Please "Check for Updates".