Claude Code OAuth Login Timeout Bug on Windows
Claude Code, an AI coding assistant from Anthropic, has a confirmed bug preventing Windows users from logging in. The issue affects version 2.1.92 and causes complete login failure through Google OAuth authentication.
Bug Details
The bug manifests as an OAuth timeout error when attempting to log in on Windows systems. Users report the exact error message: OAuth error: timeout of 15000ms exceeded. This occurs consistently regardless of login attempts, effectively blocking all access to Claude Code on affected Windows machines.
Reproduction Steps
- Open Claude Code on Windows
- Start login using Google authentication
- Complete the sign-in flow in the browser
- Return to Claude Code
- Receive the OAuth timeout error
The issue reporter confirmed using Claude Code version 2.1.92 on Windows with WSL (Windows Subsystem for Linux). The bug was reported on April 6, 2026, and has generated significant discussion with 56 points and 35 comments on Hacker News, indicating it affects multiple users.
Impact
This is a blocking bug that prevents Windows users from accessing Claude Code entirely. The 15-second timeout occurs during the OAuth handshake process, suggesting either network configuration issues, firewall interference, or a bug in the authentication flow implementation specific to Windows environments.
For developers relying on Claude Code for AI-assisted programming, this represents a significant workflow disruption until Anthropic releases a fix. The issue is labeled as a bug in the GitHub repository but currently has no assignee or milestone for resolution.
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