[BUG] Claude Desktop App Error 1W81XU3 - App Unresponsive After Multiple Restart Attempts

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?

I'm experiencing persistent error code 1W81XU3 in Claude Desktop App. The app displays "Claude will return soon" with "temporary service disruption" message and becomes completely unresponsive.

What Should Happen?

App should launch normally and allow access to Claude

Error Messages/Logs

Error Code: 1W81XU3

Steps to Reproduce

Launch Claude Desktop App
Error 1W81XU3 appears immediately
App becomes unresponsive - cannot access any menus or settings
What I've tried:
Multiple app restarts
Force quit and relaunch
Sign out/sign in attempts (cannot access menu)
Verified active subscription
Claude.ai web version works normally
Error Code: 1W81XU3

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

2.1.114

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_