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claude-code - 💡(How to fix) Fix [BUG] like a VIRUS? Task Manager [1 comments, 2 participants]

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anthropics/claude-code#56004•Fetched 2026-05-05 06:00:41
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Error Message

Error Messages/Logs

Code Example

no have
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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?

Dear Anthropic Team,

I would like to report a recurring issue I have been experiencing when using Claude Code.

Whenever I install Claude Code, even on a completely clean installation of Windows 10 (freshly formatted, with no additional software besides essential system components), the Task Manager starts behaving abnormally: it opens normally, but then closes on its own after a few moments, without any action on my part.

I have performed several tests to try to identify the cause of the issue, including:

  • A full reinstallation of the operating system (Windows 10)
  • Installing Claude Code as the only additional software
  • Testing with different system versions and configurations
  • Checking for possible conflicts with Windows drivers or services

After these tests, everything indicates that the issue is directly related to the installation of Claude Code, since the behavior only occurs after it is installed.

So far, I have not found any solution to this problem, despite multiple attempts.

I would kindly like to know if this issue is already known to your team and whether there is any guidance, fix, or updated version that resolves this problem.

What Should Happen?

Should Task Manager remain open?

Error Messages/Logs

no have

Steps to Reproduce

<img width="245" height="644" alt="Image" src="https://github.com/user-attachments/assets/dd63e5ac-7c05-4dca-b56c-0cc69e60126e" />

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.121

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

No response

extent analysis

TL;DR

The issue with Task Manager closing on its own after installing Claude Code on Windows 10 may be related to a compatibility issue or a bug in the current version of Claude Code.

Guidance

  • Verify that the issue persists when running Task Manager as an administrator to rule out permission-related problems.
  • Check for any updates or patches for Claude Code that may address this issue, given that it's reported as a regression.
  • Consider testing an earlier version of Claude Code (if available) to confirm if the issue is indeed version-specific.
  • Look into system event logs for any errors or warnings related to Task Manager or Claude Code around the time the issue occurs.

Example

No specific code example is applicable in this scenario as the issue seems related to software compatibility or versioning rather than a coding error.

Notes

The exact cause of the issue is unclear without more detailed system logs or error messages. The fact that it's a regression suggests a version-specific problem, but without knowing the last working version, it's challenging to provide a precise fix.

Recommendation

Apply workaround: Given the information, a potential workaround could involve using an alternative system monitoring tool until the issue with Task Manager and Claude Code is resolved, or attempting to revert to a previous version of Claude Code if possible.

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claude-code - 💡(How to fix) Fix [BUG] like a VIRUS? Task Manager [1 comments, 2 participants]