[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:
- Ran: curl -fsSL https://claude.ai/install.sh | bash
- Tried reinstalling multiple times
- Tried Homebrew installation
- 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
- Run: curl -fsSL https://claude.ai/install.sh | bash
- Close and reopen terminal
- 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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