#トラブルシューティング articles

Claude 'Taking Longer Than Usual': Causes, Fixes, and Prevention

How to Contact Claude Support | Guide to Using the Help Center

Why Claude Won't Launch on Windows: 3 Causes and Fixes

Explains the 3 common reasons Claude Desktop / Claude Cowork fails to launch on Windows — corrupted cache, infinite loading loop, and Japanese username path encoding issues — with step-by-step fixes covering AppData deletion to system locale changes.

How to Fix Claude Not Working in VSCode | Won't Launch, IDE Not Detected

Installed the Claude Code extension in VSCode but it won't work, won't launch, sign-in never completes, or the IDE isn't detected — this guide walks through solutions by symptom, including official troubleshooting steps and workarounds for the v2.1.51 known bug.

Can't Log In to Claude AI | Steps to Fix Email Authentication and SSO Issues

Troubleshoot Claude.ai login failures by cause: missing magic link or verification code emails, Google/Apple SSO errors, mobile/desktop app-only failures, server outages, and confusion between Console and Claude.ai — all organized following Anthropic's official Help Center documentation.

Why Claude Code Won't Work in Cursor & How to Fix It | Connection Error Solutions

Explains the causes and fixes for Claude Code not working in Cursor. Classifies issues into 5 categories — IDE connection errors, authentication failures, and more. The 'IDE is not connected' error is often resolved by re-running the /ide command.

How to Remove Claude Access Restrictions on iPhone | Solutions by Cause

The most common cause of Claude access restrictions on iPhone is Apple's age verification system — contacting Anthropic won't fix it. Learn how to handle all three scenarios: changing Family Sharing settings, requesting a correction from Apple Support, and usage limit resets (automatic after 5 hours).