[BUG] Update to 2.0.14 on Windows is broken

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?

After trying to update with claude update command user is left with zero length executable:

PowerShell 7.5.3
Loading personal and system profiles took 1691ms.
~
❯ which claude
C:/Users/klo/.local/bin/claude.exe
~
❯ claude update
Current version: 2.0.13
Checking for updates...
Successfully updated from 2.0.13 to version 2.0.14
~
❯ claude
ResourceUnavailable: Program 'claude.exe' failed to run: An error occurred trying to start process 'C:\Users\klo\.local\bin\claude.exe' with working directory 'C:\Users\klo'. The specified executable is not a valid application for this OS platform.At line:1 char:1
+ claude
+ ~~~~~~.
~
❯ dir ~\.local\bin\claude*

    Directory: C:\Users\klo\.local\bin

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---          2025-10-11    11:31              0 claude.exe
-a---          2025-10-09    19:54      134112416 claude.exe.old.1760266760023

~
❯ copy ~\.local\bin\claude.exe.old.1760266760023 ~\.local\bin\claude.exe
~
❯ claude --version
2.0.13 (Claude Code)

What Should Happen?

Upgrade as usual

Error Messages/Logs

Steps to Reproduce

Run claude update on Windows

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.13

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_