Troubleshooting

Windows warns about the installer#

The installer is unsigned, so SmartScreen may warn. Download only from official places and check the hash.

Right Shift does nothing#

The menu only exists for Minecraft 1.21.1 on Fabric. Check your version on the Versions page and relaunch.

The game will not launch#

1. Open the live console and read the last error.
2. Try a fresh profile with no mods.
3. Switch mods off one by one on the Library page.
4. Use the built-in crash reporter, added in 1.1, for an auto-fix.

A mod does not load#

Check that its Minecraft version and loader match your profile.

HUD layout resets#

Check that config/fireclient/client.json is not read-only. See Files and folders.

Friends cannot join my server#

The launcher does not forward ports. See Servers and hosting.

Still stuck#

Ask in the Discord.

Warning: Do not post access tokens, account files, private messages or unredacted logs in public.