Minecraft Failed to Login Error: How to Fix It
Easy 5-20 minutes Medium Severity
Verified June 2026
- Error Code
- Failed to login
- Brand
- Minecraft
- Product Type
- game
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 5-20 minutes
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Tools You'll Need
- A working internet connection
- Microsoft account credentials (email and password)
- Access to Command Prompt (Windows) or Terminal (Mac)
- Web browser to check Mojang server status
How to Fix Error Code Failed to login
-
Close the Minecraft Launcher Completely
-
Wait 30 Seconds, Then Reopen the Launcher
-
Log Out and Log Back In
-
Check Mojang/Minecraft Server Status
-
Flush Your DNS Cache
-
Temporarily Disable Your Firewall or Antivirus
Only disable your firewall or antivirus temporarily for testing purposes. Re-enable it immediately after the test or once you have added Minecraft as an exception. -
Delete the Launcher's Cached Login Data
Only delete launcher_profiles.json. Deleting other files in the .minecraft folder may remove your game saves, resource packs, or mods. -
Reinstall the Minecraft Launcher
Before uninstalling, back up your .minecraft folder (found at %appdata%\.minecraft on Windows or ~/Library/Application Support/minecraft on Mac) to preserve your worlds and settings.
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When to Call a Professional
If you have tried all steps above and the error persists for more than 24 hours, contact Mojang Support directly at 'https://help.minecraft.net'. If the issue is linked to a Microsoft account problem (locked account, billing issue, or account migration problem), Microsoft Support may also need to assist. No third-party technician is needed for this error — it is entirely a software and account authentication issue.Frequently Asked Questions
Why does Minecraft keep saying 'Failed to Login: Invalid Session'?
This error occurs when Minecraft cannot verify your account session with Mojang's authentication servers. It typically happens when your session token has expired, the launcher was not closed properly, or Mojang's servers are temporarily down. Restarting the launcher and logging out then back in usually resolves it.
Does the 'Failed to Login' error mean my Minecraft account is banned?
Not necessarily. The 'Invalid Session' error is almost always a temporary authentication issue, not an account ban. If your account were banned, you would receive a different, more specific message. Try restarting the launcher and logging in again before assuming your account has been suspended.
Why do I get 'Failed to Login' only on multiplayer servers?
Multiplayer servers verify your session in real time with Mojang's authentication servers. If your session token expired while the game was open — which can happen after leaving the game idle for a long time — the server will reject the connection. Close the game entirely, restart the launcher, and log back in to generate a new valid session token before joining a server.
How do I fix 'Failed to Login' without reinstalling Minecraft?
In most cases you can fix it without reinstalling. Simply close the launcher completely, wait 30 seconds, reopen it, log out of your account, and log back in. If that does not work, try flushing your DNS cache, checking Mojang's server status, or deleting the launcher_profiles.json file from your .minecraft folder.
Can a VPN cause the Minecraft 'Failed to Login' error?
Yes. VPNs can interfere with Minecraft's ability to reach Mojang's authentication servers, especially if the VPN routes traffic through a blocked or flagged IP address. Try disabling your VPN and launching Minecraft again. If the error goes away with the VPN off, try switching to a different VPN server location or adding Minecraft Launcher as an exception in your VPN settings.