[BUG] Windows Claude Code versions after 2.0.24 signed with expired certificate

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?

Windows versions of Claude Code released after version 2.0.24 are digitally signed with an expired certificate, which may cause security warnings or execution issues on Windows systems. this will affect users that have required to have claude codes signature whitelisted by group policy.

Details

• Affected versions: 2.0.25 and later (Windows)
• Last known working version: 2.0.24
• Last known broken 2.0.29
• Issue: Digital signature certificate has expired
• Impact: Users may encounter:
• Windows Defender/SmartScreen warnings
• Execution blocks or permission prompts
• Trust verification failures

What Should Happen?

Claude code should run successfully

Error Messages/Logs

ResourceUnavailable: Program 'claude.exe' failed to run: An error occurred trying to start process 'C:\Users\<username>\.local\bin\claude.exe' with working directory 'C:\Users\<username>'. This program is blocked by group policy. For more information, contact your system administrator.At line:1 char:1

Steps to Reproduce

1. have group policy block unknown application
2. apply a whitlist for the anthropic certificate
3. install and run any version after v2.0.24

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.0.24

Claude Code Version

2.0.29

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

<img width="804" height="446" alt="Image" src="https://github.com/user-attachments/assets/b2eb9005-f8a9-42bc-bb1e-e706e5ea28d8" />