Fix Authentication Failed, Error Code: 0, An error was encountered during authentication on Roblox by following the suggestions in this post.

Fix An error occurred during authentication iCloud error in Windows The error can occur for multiple reasons, such as unstable internet connection, software bugs, or glitches.

Roblox error code 403 is caused by an authentication error. Here's how to fix Roblox error code 403 once and for all.