claude-code - 💡(How to fix) Fix [BUG] Validation failed on login + Cowork and Code tabs missing — Windows 11 Pro, Claude Desktop [1 participants]

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anthropics/claude-code#51629Fetched 2026-04-22 07:57:09
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Error Message

Error Messages/Logs

Code Example

"validation failed" temporary pop-up
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Preflight Checklist

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

What's Wrong?

After logging in, a "validation failed" popup briefly appears and then disappears. The Cowork and Code tabs are missing from the desktop app — only Chat is visible. Billing is current on a Pro plan.

What Should Happen?

Cowork and Code tabs should be visible in the top navigation

Error Messages/Logs

"validation failed" temporary pop-up

Steps to Reproduce

Open Claude Desktop → Log out → Log back in → Observe "validation failed" popup → Note that Cowork and Code tabs are absent

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

not sure

Claude Code Version

2.1.113 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

No response

extent analysis

TL;DR

The issue might be related to a validation error occurring after login, which could be causing the Cowork and Code tabs to be hidden, and checking the authentication flow or session management might provide insights.

Guidance

  • Review the authentication process to ensure that user sessions are being properly validated and managed after login.
  • Verify that the Pro plan features, including Cowork and Code tabs, are correctly enabled and configured for the user's account.
  • Check for any recent changes in the Anthropic API or Claude Code version 2.1.113 that might be affecting the validation process or tab visibility.
  • Attempt to reproduce the issue with a different Claude Model or version to isolate if the problem is specific to the Sonnet model or the current version.

Example

No specific code example can be provided without more details on the implementation, but reviewing the login and session management code might look something like checking for any errors or exceptions being thrown during the validation process.

Notes

The lack of specific error messages or logs beyond the "validation failed" popup limits the ability to provide a precise fix. The issue being reported as a regression suggests that a comparison with previous versions or configurations might be necessary to identify the root cause.

Recommendation

Apply workaround: Given the information provided, it might be beneficial to try rolling back to a previous version of Claude Code if possible, to see if the issue persists, as the problem is reported as a regression.

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