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claude-code - 💡(How to fix) Fix [BUG] Second Claude Code window interrupts immediately on Windows PowerShell (v2.0.56) [1 comments, 1 participants]

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anthropics/claude-code#52269•Fetched 2026-04-24 06:11:39
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deepadata-devdeepadata-dev
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Error Message

Error Messages/Logs

Code Example

"Interrupted · What should Claude do instead?"
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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?

  • I am using v2.0.56 (not latest, but reproducible across uptime)

What's Wrong?

Second Claude Code window launched in the same Windows uptime consistently interrupts immediately on first prompt with "Interrupted · What should Claude do instead?" — no user input sent. First window in same uptime works fine. Behavior persists across multiple second-window launches until system reboot.

Expected Multiple parallel Claude Code windows should run independently on the same machine.

Actual Only one window can operate at a time per Windows uptime. Reboot is the only way to reset and try multi-window operation again (which then fails again on the second launch).

Environment

  • Claude Code: v2.0.56
  • OS: Windows (PowerShell 7)
  • Shell: PowerShell
  • Model: Opus 4.5
  • Plan: Claude Max
  • Working directories: separate Git repos under C:\Users<user>\Documents\GitHub\

Impact Forces single-window operation on substantial multi-repo work. Lost productivity from inability to run parallel discovery and implementation tasks. Yesterday's session and today's session both affected.

What Should Happen?

Multiple parallel Claude Code windows should run independently on the same machine.

Error Messages/Logs

"Interrupted · What should Claude do instead?"

Steps to Reproduce

Steps to Reproduce

  1. Fresh Windows PowerShell session
  2. cd to project directory
  3. Run claude (Window 1) — works correctly
  4. Open second PowerShell window
  5. cd to any project directory
  6. Run claude (Window 2)
  7. Type any prompt (e.g., "are you working?")
  8. Window 2 returns "Interrupted · What should Claude do instead?" immediately, no execution

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

Claude Code v2.0.56

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

Related

  • #35741 (parallel session interrupts on macOS, v2.1.77+)
  • #32386 (Claude Code silently exits mid-task, Windows)
  • #11707 (VS Code terminal interrupts, Windows)

Different from those reports: this is v2.0.56, not the recent 2.1.77+ regression. Pattern is reliably reproducible — "second window in any uptime" is the trigger. Suggests the issue class extends earlier than 2.1.77 on Windows.

extent analysis

TL;DR

The issue can be temporarily worked around by rebooting the system to reset the ability to run multiple Claude Code windows in parallel.

Guidance

  • Verify that the issue is specific to the second window launched in the same Windows uptime by attempting to launch multiple windows and observing the behavior.
  • Try launching the second window with a different project directory or a different shell to see if the issue is specific to the current configuration.
  • Review the related issues (#35741, #32386, #11707) to see if there are any common patterns or potential fixes that could be applied to this version (v2.0.56).
  • Consider upgrading to a later version of Claude Code to see if the issue has been resolved, although this is not explicitly stated as a fix.

Example

No code snippet is provided as the issue seems to be related to the interaction between the Claude Code application and the Windows environment.

Notes

The issue seems to be specific to Windows and the v2.0.56 version of Claude Code, and the fact that it worked in a previous version suggests a regression. However, without more information about the changes made in later versions, it's difficult to provide a more specific fix.

Recommendation

Apply workaround: Reboot the system to reset the ability to run multiple Claude Code windows in parallel, as this is the only reliable way to resolve the issue mentioned in the report.

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