How to fix Roblox “Bad Request” error code 400
Some users happen to see the "Bad Request" error code 400 while trying to launch Roblox in their browser(s). The issue indicates there is a connection issue between the game's client and server that receives the request. Here is a full error message that users can see:
"Bad Request 400 | There was a problem with your request". This issue may be related to corrupted browser files, incorrect network settings, damaged DNS server cache, and even problems on the side of the server itself. You can check whether Roblox severs experience any issues at the moment using the official Roblox Server Status or DownDetector. If everything seems fine with the server, then the connection issue may originate from your PC and should be resolved individually. Follow our guide below to try each solution and potentially fix the "Bad Request" error code 400. 
