Roblox Error Code 403: Causes And Solutions

Roblox has captivated the hearts of gamers across various platforms, such as Android, Switch, and PC. However, like any online game, Roblox is not immune to its fair share of issues.

One such hiccup you may encounter is the error code 403, often accompanied by the message “An error was encountered during authentication. Please try again.”

Don’t worry, though, as we’ve got you covered with all the essential information and troubleshooting steps to fix the Roblox error code 403. So, get ready to overcome Roblox error code 403 and get back to immersive gameplay without any interruptions!”


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What is Roblox Error Code 403?

Error Code 403 falls under the category of client-side errors, which means it is triggered by something on your own computer rather than being a problem with the Roblox server itself.


There are a few possible causes for this error, including VPN conflicts, corrupted cache files in Roblox, DNS server issues, or even problems with the Roblox server itself.

In simple terms, Error Code 403 on Roblox is related to permission issues. It indicates that you don’t have the necessary authorization to access a particular page or feature.

When you click the Play button and encounter this error, you may also see a message stating, “An error was encountered during authentication. Please try again.” At this point, you are experiencing the Roblox error code 403.


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Why Does Roblox Error Code 403 Occur?

Let’s explore the possible reasons behind this frustrating issue:

  1. Roblox Server Maintenance or Downtime: Sometimes, the Roblox server undergoes maintenance or experiences temporary downtime, resulting in error code 403. In such cases, the error is not within your control, and you’ll simply need to wait until the server is back up and running smoothly.
  2. VPN Usage: If you’re using a VPN (virtual private network) connection while playing Roblox, it can interfere with the game’s authentication process and trigger the error code 403. Disabling your VPN temporarily might resolve the issue and allow you to access the game without any problems.
  3. Corruption in Roblox Cache: Corrupted files in the Roblox cache folder can also lead to error code 403. Clearing the cache can help eliminate these corrupt files and potentially resolve the issue. We’ll discuss how to do this in the following section.
  4. Unstable DNS Server: Your current DNS (Domain Name System) server might not be stable or be experiencing connectivity issues, resulting in error code 403. Configuring a more reliable DNS server or troubleshooting your existing DNS settings can help mitigate this problem.

Now that we’ve identified the common reasons for error code 403, let’s move on to the solutions/fixes.


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How To Fix Roblox Error Code 403

By implementing the following fixes below, you can eliminate the error code and get back to enjoying your Roblox gaming experience once again.

1. Disable Your VPN

VPNs can sometimes cause an error 403 on Roblox. To disable your VPN, follow these steps:


  • Open the Settings menu.
  • Select Network & Internet.
  • Choose VPN and disable any active VPNs on the list.

Alternatively, right-click on your VPN service icon in the Windows taskbar and choose the option to temporarily disable or disconnect it.

2. Disable Your Antivirus Program

Anti-virus programs can sometimes interfere with Roblox. So, when you encounter the error code 403, you should consider disabling your activated antivirus program. Here’s how to disable Windows Defender, for example:

  • Open the Start menu and double-click on the Windows Defender symbol.
  • Click on Virus & threat protection, then go to Virus & threat protection settings.
  • Disable Real-time protection by clicking on the slider button.

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3. Clear The Roblox Cache Folder

In some cases, corrupted cache files may cause error 403. Roblox, like many other applications, stores cache data to enhance performance and provide faster access.

However, if the cache folder gets corrupted, it can lead to errors. Consider clearing up the cache files that don’t impact positively on the application’s performance. Follow these steps to clear the cache:

  • Press the Win + X hotkeys to open the Power menu.
  • Choose the “Run” option from the menu list. Alternatively, you can press the Win + R hotkeys to open the Run dialog box.
  • Type “%localappdata%” in the search bar and click “OK.” This action will open the Local folder, where the cache folder of all installed applications is located.
  • Locate and open the “Roblox” folder.
  • Select all the contents inside the folder by pressing Ctrl + A.
  • Press Shift + Delete to permanently delete the selected content.

Once you’ve completed these steps, restart your computer and check if the issue persists. By clearing the cache folder, you can potentially resolve the Roblox Error Code 403 and improve the performance of the application.


4. Reinstall Roblox

If the above methods don’t work, try uninstalling and reinstalling Roblox. This may solve the issue. Follow these steps to uninstall and reinstall the Roblox app:

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  • Go to Settings and Apps.
  • Find Roblox, click on the three dots, and choose the Uninstall option.
  • Confirm the uninstallation.
  • Visit Roblox’s website to download and reinstall the game.

5. Check The Roblox Server Status

Sometimes, error code 403 can occur due to server maintenance or downtime. Check the Roblox server status page and wait until the servers are operational again.


Additional steps to try if the error persists:

1. Run an SFC and DISM Scan

Run an SFC (System File Checker) and DISM (Deployment Image Servicing and Management) scan to check for corrupted Windows files. To run an SFC scan and address potential file corruption issues causing the Roblox Error Code 403, follow these steps:

  • Press the Win key to open the Start Menu.
  • In the search bar, type “Command Prompt” and right-click on it.
  • From the right pane, select “Run as administrator.”
  • If prompted by UAC (User Account Control), click “Yes” to proceed.
  • In the elevated Command Prompt window, type “sfc/scannow” and press Enter.
  • Allow the scan to complete, which may take some time.

After conducting an SFC (System File Checker) scan, you can further address the Roblox Error Code 403 by performing a DISM (Deployment Image Servicing and Management) scan.

This additional step helps repair corrupted system files and restore any damaged system images. Follow these instructions to run a DISM scan:


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  • Launch Command Prompt with administrative privileges.
  • Enter the following command and press Enter:
    • DISM /Online /Cleanup-Image /ScanHealth
    • exe /online /cleanup-image /restorehealth
  • Allow the scan to complete, which might take some time.
  • Once the scan finishes, check if the error persists.

By performing both an SFC and DISM scan, you significantly improve your chances of resolving the Roblox Error Code 403 and enjoy a seamless gaming experience on Roblox.

2. Switch to Google DNS

If you find that your ISP’s DNS server is not providing stable connectivity, switching to a different DNS provider can help resolve the Roblox Error Code 403. Among various options, Google DNS is known for its speed and reliability. Follow these steps to switch to Google DNS:


  • Open the Power Menu and select “Network Connections” from the list of options.
  • Choose “Advanced network settings.”
  • Expand the Wi-Fi section and click the “Edit” button next to “More adapter options.”
  • Locate and highlight “Internet Protocol Version 4 (TCP/IPv4),” then click the “Properties” button.
  • Select the option “Use the following IP addresses.”
  • In the “Preferred DNS server” box, enter “,” and in the “Alternate DNS server” box, enter “”
  • Save the settings by clicking “OK.”
  • Next, highlight “Internet Protocol Version 6 (TCP/IPv6)” and click “Properties.”
  • In the “Preferred DNS server” box, enter “2001:4860:4860::8888,” and in the “Alternate DNS server” box, enter “2001:4860:4860::8844.”
  • Save the IPv6 DNS settings by clicking “OK.”

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3. Contact Roblox Customer Service

If none of these solutions listed above work, consider contacting Roblox customer service for further assistance. Make sure to check your internet connection, restart your devices, clear the game cache and cookies, and ensure you have the latest version of Roblox installed.

In Conclusion

Roblox Error Code 403 might seem like an impenetrable barrier, but armed with knowledge and the right strategies, you can conquer it.


By understanding the nature of this error, troubleshooting effectively, and implementing preventive measures, you’ll be able to enjoy seamless gameplay on Roblox.

Remember, even the most experienced players encounter hurdles, but it’s how we overcome them that truly defines our gaming experience. So, don’t let Error Code 403 hold you back; embrace the challenge and unlock a world of endless possibilities on Roblox!

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