Roblox is an incredibly popular online game however, like any other it is not immune to errors and bugs. One of the most frustrating issues that Roblox users encounter is the “authentication failed” error, which is indicated by Error Code 0.
The Roblox Error Code 0 typically appears when users are trying to log in to their Roblox accounts. It can happen for a variety of reasons, including a server under maintenance, corrupted cache files, an unstable DNS server, incorrect login credentials, a blocked IP address, and so on.
In this article, we have explained how to fix Error Code 0 Roblox Authentication Failed Error.
How to Fix the Error Code 0 “Authentication Failed” in Roblox
Here are some solutions that can help you fix the Error Code 0 “Authentication Failed” issue. Before that, you should do these things first:
- Ensure to check your internet connection is stable and reliable. If you are using Wi-Fi, try switching to a wired connection.
- Double-check that you are using the correct login credentials. If you recently changed your password, make sure you update it on all devices and browsers.
1. Clear Roblox Cache
Clearing your app’s cache can help resolve error-related issues. To do this, delete all the files in the Roblox cache folder. Here’s how:
- Press Win + R keys to open the Run command box.
- In the search bar, Type ‘%localappdata%’ and click on OK to reach the Local folder.
- Look for the Roblox folder and double-click on it to open it.
- Select all the files by pressing Ctrl + A.
- Now delete everything by pressing the Delete key.
2. Check Server Status
Checking the server status can be helpful in determining if the Error Code 0 “Authentication Failed” issue in Roblox is due to server downtime or maintenance. Here are the steps to check the Roblox server status:
- Go to the Roblox website and click on “Games” in the top menu bar.
- Scroll down to the bottom of the page and click on “System Status” under the “About Us” section.
- Check the status of the Roblox website and servers. If there is a red dot or an outage reported, it may indicate that the servers are down or undergoing maintenance.
3. Disable Antivirus and VPN
Disabling your antivirus or VPN software can sometimes help resolve the Error Code 0 “Authentication Failed” issue in Roblox. Roblox may block certain VPNs, which can result in authentication failure.
Here are the steps to disable your antivirus and VPN:
Disabling Antivirus Software: