

If rebooting the router did not help, you can try the in-built Internet Connections Troubleshooter to detect and resolve connection-related issues.


Try and see if it helps before moving further to the other solutions below. Simply restarting your router helps deal with a variety of problems. Then, push the same button to power it back. Hold the power button at the back of the router for a couple of seconds until it turns off. We recommend you try and reset your internet connection by restarting the router (modem) if you have a possibility to do so. Follow our guide below to try each solution and potentially fix the “Bad Request” error code 400. If everything seems fine with the server, then the connection issue may originate from your PC and should be resolved individually. You can check whether Roblox severs experience any issues at the moment using the official Roblox Server Status or DownDetector. 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. “Bad Request 400 | There was a problem with your request”
