[BUG] 3221225501 ERROR ON CLAUDE CODE CHAT

Resolved 💬 4 comments Opened Apr 16, 2026 by lmiozzo Closed May 30, 2026

Preflight Checklist

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

What's Wrong?

Any command I ask to Claude on side bar or even when I open claude on the side bar results the error:
Error: Claude Code process exited with code 3221225501
View output logs · Troubleshooting resources

On the other ways, Claude works perfectly
I am using VSCode

What Should Happen?

Claude should answer my prompts

Error Messages/Logs

{"type":"open_output_panel"}}
2026-04-16 19:00:32.358 [info] Received message from webview: {"type":"launch_claude","channelId":"20xl7p1fb6z","cwd":"c:\\Users\\CLIENTE\\Saved Games","permissionMode":"default","thinkingLevel":"default_on"}
2026-04-16 19:00:32.362 [info] Launching Claude on channel: 20xl7p1fb6z
2026-04-16 19:00:32.444 [info] Spawning Claude with SDK query function - cwd: c:\Users\CLIENTE\Saved Games, permission mode: default, version: 2.1.112, c:\Users\CLIENTE\.vscode\extensions\anthropic.claude-code-2.1.112-win32-x64\resources\native-binary\claude.exe, resume: undefined
2026-04-16 19:00:32.445 [info] Received message from webview: {"type":"io_message","channelId":"20xl7p1fb6z","message":{"type":"user","uuid":"01186e0e-ecc9-48d9-a52a-b213bb3249c0","session_id":"","parent_tool_use_id":null,"message":{"role":"user","content":[{"type":"text","text":"<ide_opened_file>The user opened the file Anthropic.claude-code.Claude VSCode.log in the IDE. This may or may not be related to the current task.</ide_opened_file>"},{"type":"text","text":"olá"}]}},"done":false}
2026-04-16 19:00:32.704 [info] From claude: ============================================================

2026-04-16 19:00:32.706 [info] From claude: ^[[0m^[[2mBun v1.3.13 (743d2a40) Windows x64 (baseline)

2026-04-16 19:00:32.708 [info] From claude: Windows v
2026-04-16 19:00:32.710 [info] From claude: .win10_cu

2026-04-16 19:00:32.711 [info] From claude: Args: 
Features: no_avx2 no_avx 

2026-04-16 19:00:32.712 [info] From claude: Elapsed: 
2026-04-16 19:00:32.714 [info] From claude: 76ms | User: 15ms | Sys: 31ms
RSS: 
2026-04-16 19:00:32.741 [info] Closing Claude on channel: 20xl7p1fb6z
2026-04-16 19:00:32.741 [error] Error spawning Claude (on channel 20xl7p1fb6z): Error: Claude Code process exited with code 3221225501
2026-04-16 19:00:32.757 [info] Received message from webview: {"type":"request","channelId":"20xl7p1fb6z","requestId":"lvhpft1wohh","request":{"type":"log_event","eventName":"sdk_stream_ended_no_result","eventData":{"had_error":true,"subagent_count":0,"message_count":2}}}
2026-04-16 19:00:32.758 [warning] Channel not found for logEvent: 20xl7p1fb6z

Steps to Reproduce

Only open the side bar and the error comes on

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude Code 1.2.17

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

<img width="1355" height="768" alt="Image" src="https://github.com/user-attachments/assets/83837f69-8c9b-4d6c-a77f-3e8b5efe00e6" />

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