Fix Roblox Error Code 403 (Authentication Failed)
Roblox Error Code 403 (Authentication Failed): An error was encountered during authentication. Please try again
If you have Rivatuner from MSI Afterburner, it is that. Either uninstall or disable both RTSS and MSI Afterburner. Roblox doesn't like overlays.
Delete the Roblox folder in your Local folder
Deleting this folder will: Force Roblox to re-download all its files the next time you launch it. Fix certain issues (like broken updates, crashes, or cache corruption), it will log you out, so you’ll need to sign in again.
Try connecting to a different network, such as using your phone's hotspot or a different Wi-Fi network.
Disconnect from VPN
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