2] Clear Temp files To help improve gameplay, temporary files and data are often stored on your gaming device. Over time, this cached data might become corrupted, which can lead to issues with ...

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

Roblox is down, and many PC users are unable to launch the game The Code 400 error occurs when your PC attempts to communicate with the game server, but the request becomes invalid or inaccurate.

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.

By Grace July 28, 2021 August 30, 2023 This post highlights a few potential solutions to fix Roblox Send Request failed error:HRESULT 0x80072efd in Android 11.