claude-code - 💡(How to fix) Fix [BUG] Incident Report - Unable to use Claude Code inside VSCode for 2 days now [1 participants]

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anthropics/claude-code#46051Fetched 2026-04-11 06:30:14
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Error Message

Error Messages/Logs

Code Example

Nothing
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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?

When I try to open Claude Code inside VSCode, it says, "Activating Extension" for a brief time and then nothing happens. I have already tried several things including uninstalling the Claude extension and VSCode and also restarted the system several times. It started 2 days ago and continues to be so.

What Should Happen?

Claude should launch inside VSCode.

Error Messages/Logs

Nothing

Steps to Reproduce

Launch Claude from inside VSCode

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

2.1.98 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue might be resolved by checking the compatibility of the Claude Code extension with the current version of VSCode or the Anthropic API.

Guidance

  • Verify that the Anthropic API is functioning correctly and not causing issues with the Claude Code extension.
  • Check the VSCode extension marketplace for any updates to the Claude Code extension, as the issue started recently and is reported as a regression.
  • Try launching Claude Code from a different environment or platform to isolate if the issue is specific to the current setup.
  • Since the user has already tried uninstalling and reinstalling the extension and VSCode, the next step could be to check for any configuration files or settings that might be causing the issue.

Example

No specific code snippet can be provided without more details on the implementation, but checking the extension's settings or configuration files for any recent changes could be a useful step.

Notes

The issue lacks specific details about error messages or logs, which makes it challenging to provide a precise fix. The fact that it's reported as a regression suggests that a recent change might be the cause.

Recommendation

Apply workaround: Given the lack of specific error messages and the report of this being a regression, applying a workaround such as checking for updates, verifying API functionality, or testing in a different environment seems like the most prudent next step.

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