[BUG] dyld: cannot load 'claude-2.1.173-darwin-x64' on macOS 10.14 Intel

Resolved 💬 2 comments Opened Jun 11, 2026 by jessiegomez-alt Closed Jun 15, 2026

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] This is a single bug report (please file separate reports for different bugs)
  • [x] I am using the latest version of Claude Code

What's Wrong?

System:

  • OS: macOS 10.14 (Mojave)
  • Architecture: x86_64 (Intel)
  • Claude Code version: 2.1.173

Error:
dyld: cannot load 'claude-2.1.173-darwin-x64' (load command 0x80000034 is unknown)

Steps:

  1. Ran: curl -fsSL https://claude.ai/install.sh | bash
  2. Tried reinstalling multiple times
  3. Tried Homebrew installation
  4. Freed 5+ GB of disk space

Result:
Installation fails with dyld error every time. claude --version returns "command not found"

What Should Happen?

Claude Code should install successfully and the claude command should be available in the terminal.

Error Messages/Logs

dyld: cannot load 'claude-2.1.173-darwin-x64' (load command 0x80000034 is unknown)
bash: line 158: 21368 Abort trap: 6

Steps to Reproduce

  1. Run: curl -fsSL https://claude.ai/install.sh | bash
  2. Close and reopen terminal
  3. Run: claude --version

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

1.0.173

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

Error: dyld: cannot load 'claude-2.1.173-darwin-x64' (load command 0x80000034 is unknown)

Pasos realizados:

  • Ejecuté: curl -fsSL https://claude.ai/install.sh | bash
  • Cerré y reabrí Terminal
  • Intenté: claude --version → "command not found"
  • Desinstalé y reinstalé limpiamente

El binario no se carga correctamente en macOS.

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