If you have encountered the Bad Request, Roblox Error Code 400 on your Windows PC, you can apply any of the solutions in this post to fix the error.

When you’re trying to play Roblox and keep getting the “Bad Request 400” error, it can put a wrench in your plans.

Earlier today, PC gamers reported that they encountered Roblox Issue Code 400 with the Bad Request error explanation while gaming on their Windows 11 or Windows 10 ...

The 400 Bad Request error is an HTTP status code that means the request you sent to the website server, often something simple like a request to load a web page, was somehow incorrect or corrupted ...

Basic Reinstall: Uninstall Roblox through your control panel (or Apps settings) and then download and install a fresh copy from the Roblox website. This is your first line of defense.

Clearing your cache is unlikely the fix for the majority of 400 bad request issues, but it's quick and easy and worth trying.