Launcher can't download updates

The launcher couldn't reach Luduvo's update server, so it started the copy you already had.

What you see

Luduvo won't update, or starts an old version that can't join games.

Who's affected

Players on flaky networks, VPNs or networks behind a Cloudflare check.

What to do

1. Try a different network, for example your phone's hotspot, with any VPN or proxy turned off.
2. Close Luduvo. If there's a file called .luduvo-update.lock in %LocalAppData%\Luduvo, delete it, then start Luduvo again. unconfirmed
3. If it keeps failing, reinstall Luduvo from luduvo.com/download.

Status

Still open as of build 45.

“Is under investigation. Is a VPN in use?”

How the Doctor spots it

It looks for log lines like these (patterns, not exact text):

• update: manifest fetch failed
• launcher: manifest fetch failed
• update: manifest rejected
• update: bundle download failed
• launcher: update failed, launching cached
• curl: (22) The requested URL returned error: 403

Sources

• Manifest fetch failed forum
• Signature rejected forum
• Linux download blocked forum
• Worked on another network forum
• The lock file forum

Credits

• eeviika, found it worked on another network
• Starte, pointed at the update lock file

unconfirmed means a player suggested it and nobody has confirmed it works yet.

Last checked 26 Sep 2026.