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claude-code - 💡(How to fix) Fix [BUG] "Copy message" copies empty string to clipboard on Windows 11 Desktop App [1 participants]

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anthropics/claude-code#56298•Fetched 2026-05-06 06:31:50
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Error Message

Error Messages/Logs

No error message or visual feedback is shown. The only observable symptom is that pasting after copying produces an empty string, replacing any previously selected text in the target application with nothing.

Fix Action

Fix / Workaround

  • OS: Windows 11
  • Text selection works correctly (mouse drag highlights text as expected)
  • The right-click context menu appears and "Copy message" is clickable, but has no effect on clipboard content
  • Ctrl+C and Ctrl+Shift+C also fail to copy selected text
  • Workaround: using claude.ai/code in a browser works correctly

Code Example

No error message or visual feedback is shown. The only observable symptom is that pasting after copying produces an empty string, replacing any previously selected text in the target application with nothing.
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 "Copy message" function in the Desktop App copies an empty string to the clipboard instead of the message content. Neither Ctrl+C nor Ctrl+Shift+C work either. As a result, it is impossible to copy any text from Claude's responses.

What Should Happen?

Selecting text from a Claude response and using "Copy message" (right-click context menu) or standard keyboard shortcuts (Ctrl+C / Ctrl+Shift+C) should copy the selected text to the clipboard so it can be pasted in another application.

Error Messages/Logs

No error message or visual feedback is shown. The only observable symptom is that pasting after copying produces an empty string, replacing any previously selected text in the target application with nothing.

Steps to Reproduce

  1. Open Claude Code Desktop App on Windows 11
  2. Start a conversation and receive a response from Claude
  3. Select any portion of Claude's response using the mouse (text highlights correctly)
  4. Right-click → "Copy message"
  5. Open Notepad, press Ctrl+V
  6. The pasted content is empty

Claude Model

Not sure / Multiple models

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.85 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

  • OS: Windows 11
  • Text selection works correctly (mouse drag highlights text as expected)
  • The right-click context menu appears and "Copy message" is clickable, but has no effect on clipboard content
  • Ctrl+C and Ctrl+Shift+C also fail to copy selected text
  • Workaround: using claude.ai/code in a browser works correctly

extent analysis

TL;DR

The "Copy message" function in the Claude Code Desktop App may be experiencing a clipboard integration issue, requiring a fix or workaround to restore copying functionality.

Guidance

  • Verify that the issue persists across different conversations and Claude models to rule out model-specific problems.
  • Check if other clipboard-related functions within the Desktop App are working as expected to isolate the issue.
  • Consider testing the Desktop App on a different operating system or version to determine if the issue is Windows 11 specific.
  • Since the issue is reported as a regression, reviewing the changelog for version 2.1.85 and comparing it with the last known working version might provide insights into the cause.

Example

No specific code snippet can be provided without more details on the application's internal workings.

Notes

The fact that the web version (claude.ai/code) works correctly suggests the issue might be specific to the Desktop App's implementation or its interaction with the Windows clipboard.

Recommendation

Apply workaround: Use the web version (claude.ai/code) for copying messages until a fix is available for the Desktop App, as it has been confirmed to work correctly.

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claude-code - 💡(How to fix) Fix [BUG] "Copy message" copies empty string to clipboard on Windows 11 Desktop App [1 participants]