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How to fix Roblox Authentication Failed Error Code 403

Frustrated by the dreaded Error Code 403 that’s keeping you from enjoying your favorite games? You’re not alone. Many players have encountered this annoying message, which reads, “An error was encountered during authentication. Please try again.” But don’t worry, I’ve got your back with a simple solution that’s worked for most players.

The detail error message as below:

Authentication Failed
Error Code: 403
An error was encountered during authentication. Please try again.

How to fix Roblox Authentication Failed Error Code 403

Here’s what you need to do:

  1. Press the Windows key + R on your keyboard.
  2. Type %appdata% into the text box and hit Enter.
  3. In the File Explorer window that appears, click on the “AppData” folder.
  4. Open the Local folder and find the Roblox folder inside.
  5. Select the Roblox folder (don’t open it) and press Shift + Delete to remove it and your cache.
  6. Redownload Roblox and sign back into your account.

Voila! Error Code 403 should be gone, and you can get back to playing your favorite Roblox games without any hassle. It’s a quick and easy fix that’s solved the problem for countless players.

If, by chance, this solution doesn’t work for you, there are a few other things you can try:

  • Redownload Roblox again
  • Sign out and back into your account
  • Restart your computer

Remember, you’re not alone in this struggle. Many players have faced Error Code 403 and come out victorious on the other side. With this simple solution, you’ll be back to building, exploring, and having a blast on Roblox in no time!