[BUG]

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?

"Claude Desktop crashes after ~30 seconds. Logs show topFrameUrl always loads claude.ai/epitaxy regardless
▎ of config setting. Other users on claude.ai/code have no issues. Appears to be a GrowthBook A/B test
▎ assignment issue."

What Should Happen?

claude code openblijven

Error Messages/Logs

"Claude Desktop crashes after ~30 seconds. Logs show topFrameUrl always loads claude.ai/epitaxy regardless
  ▎ of config setting. Other users on claude.ai/code have no issues. Appears to be a GrowthBook A/B test
  ▎ assignment issue."

Steps to Reproduce

"Claude Desktop crashes after ~30 seconds. Logs show topFrameUrl always loads claude.ai/epitaxy regardless
▎ of config setting. Other users on claude.ai/code have no issues. Appears to be a GrowthBook A/B test
▎ assignment issue."

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.3109.0 (35cbf6) 2026-04-16T20:32:01.000Z

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_