claude-code - 💡(How to fix) Fix [BUG] Code tab send button completely unresponsive on Windows 11 [3 comments, 2 participants]

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anthropics/claude-code#56123Fetched 2026-05-05 05:57:36
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Error Message

Error Messages/Logs

  1. Nothing happens - no response, no loading indicator, no error

Code Example

============================================
 CLAUDE CODE BUG REPORT
 Generated: 05/04/2026 14:13:25
============================================

--- OS INFO ---
Caption        : Microsoft Windows 11 Pro
Version        : 10.0.26200
OSArchitecture : 64-bit

--- WINDOWS BUILD ---
DisplayVersion : 25H2
CurrentBuild   : 26200

--- NODE.JS ---
v24.15.0

--- NPM ---
11.12.1

--- CLAUDE CODE CLI ---
2.1.126 (Claude Code)

--- CLAUDE CODE PATH ---
C:\Users\micha\AppData\Roaming\npm\claude
C:\Users\micha\AppData\Roaming\npm\claude.cmd

--- EXECUTION POLICY ---
Scope ExecutionPolicy
        ----- ---------------
MachinePolicy       Undefined
   UserPolicy       Undefined
      Process       Undefined
  CurrentUser    RemoteSigned
 LocalMachine       Undefined

--- ANTHROPIC_API_KEY SET ---
NO

--- WHAT WORKS / BROKEN ---
Works:  Chat tab
Works:  Cowork tab
Works:  claude in terminal
BROKEN: Code tab send button does nothing (Enter, Ctrl+Enter, click all fail)

--- RELATED GITHUB ISSUES ---
#47320  #46937  #33771

============================================
 END OF REPORT
============================================
RAW_BUFFERClick to expand / collapse

Preflight Checklist

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

What's Wrong?

The send button in the Code tab does nothing. Clicking the arrow, pressing Enter, and Ctrl+Enter all fail silently. The input field accepts text but nothing sends. Chat and Cowork tabs work fine. Claude in terminal works fine. Only the Code tab GUI is broken.

What Should Happen?

Typing a message in the Code tab and pressing Enter, Ctrl+Enter, or clicking the send arrow should submit the message and get a response from Claude, the same way it works in the Chat tab and in the terminal.

Error Messages/Logs

============================================
 CLAUDE CODE BUG REPORT
 Generated: 05/04/2026 14:13:25
============================================

--- OS INFO ---
Caption        : Microsoft Windows 11 Pro
Version        : 10.0.26200
OSArchitecture : 64-bit

--- WINDOWS BUILD ---
DisplayVersion : 25H2
CurrentBuild   : 26200

--- NODE.JS ---
v24.15.0

--- NPM ---
11.12.1

--- CLAUDE CODE CLI ---
2.1.126 (Claude Code)

--- CLAUDE CODE PATH ---
C:\Users\micha\AppData\Roaming\npm\claude
C:\Users\micha\AppData\Roaming\npm\claude.cmd

--- EXECUTION POLICY ---
Scope ExecutionPolicy
        ----- ---------------
MachinePolicy       Undefined
   UserPolicy       Undefined
      Process       Undefined
  CurrentUser    RemoteSigned
 LocalMachine       Undefined

--- ANTHROPIC_API_KEY SET ---
NO

--- WHAT WORKS / BROKEN ---
Works:  Chat tab
Works:  Cowork tab
Works:  claude in terminal
BROKEN: Code tab send button does nothing (Enter, Ctrl+Enter, click all fail)

--- RELATED GITHUB ISSUES ---
#47320  #46937  #33771

============================================
 END OF REPORT
============================================

Steps to Reproduce

  1. Open Claude desktop app
  2. Click the Code tab
  3. Type any message in the input field
  4. Press Enter, Ctrl+Enter, or click the send arrow
  5. Nothing happens - no response, no loading indicator, no error

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.126 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

Related issues: #47320, #46937, #33771

This is a fresh install on a laptop. Claude Code CLI was not pre-installed. Installed Node.js v24.15.0 via winget, then installed claude-code via npm. Authentication works (claude command works in terminal). Only the desktop app Code tab GUI is broken.

Windows 11 Pro 25H2 Build 26200 Claude Desktop: 1.5354.0 (9a9e3d)

extent analysis

TL;DR

The issue might be related to the Anthropic API key not being set, which is required for the Code tab to function properly in the Claude desktop app.

Guidance

  • Verify that the Anthropic API key is set correctly by checking the ANTHROPIC_API_KEY environment variable.
  • Review related issues #47320, #46937, and #33771 to see if they provide any insights into the problem.
  • Check the Claude desktop app logs for any error messages that might indicate why the send button is not working.
  • Try setting the ANTHROPIC_API_KEY environment variable manually and see if that resolves the issue.

Example

No code snippet is provided as the issue seems to be related to configuration rather than code.

Notes

The fact that the Chat and Cowork tabs work fine, as well as the Claude CLI, suggests that the issue is specific to the Code tab in the desktop app. The ANTHROPIC_API_KEY not being set is a strong candidate for the root cause.

Recommendation

Apply workaround: Set the ANTHROPIC_API_KEY environment variable manually and test if the Code tab starts working as expected. This is recommended because the issue report explicitly mentions that the ANTHROPIC_API_KEY is not set, which is a crucial piece of information for troubleshooting this specific problem.

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claude-code - 💡(How to fix) Fix [BUG] Code tab send button completely unresponsive on Windows 11 [3 comments, 2 participants]