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Codeium / Windsurf Extension Not Working in VS Code

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Ongoing VS Code Updated November 14, 2026Based on 3 user reportsHow we research

Quick answer

If the Codeium or Windsurf plugin stops suggesting code in VS Code, the usual fixes are signing out and back in, allowing its domains through your firewall, and updating the extension.

Most likely fix: Sign out and back in

How to fix it

Try these in order — the most common fix is first.

  1. 1. Sign out and back in

    1. Open the Command Palette and sign out of the plugin
    2. Reload the window
    3. Sign in again from the browser prompt
    Did this fix it?

  2. 2. Allow the required domains

    1. Ask your network admin to allow *.codeium.com, *.codeiumdata.com, *.windsurf.com, *.googleapis.com, apis.google.com and static.devin.ai on port 443
    2. Retry sign-in
    Did this fix it?

  3. 3. Update the extension

    1. Open the Extensions view
    2. Update the Windsurf/Codeium extension and restart VS Code
    Did this fix it?

Symptoms

No inline suggestions, a status bar warning, or the plugin shows as signed out.

Why it happens

  • Expired or stale login
  • Proxy, VPN or firewall blocking Codeium domains
  • Outdated extension
  • Free quota used up (agent features only)
  • Service outage

This guide also covers

  • codeium not working vscode
  • windsurf extension not working
  • codeium extension not working

Still not working?

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