Simply pull the power cable to both, wait 60 seconds, then plug them back in. Run Roblox as administrator. Locate Roblox Player on your computer, right-click, and choose “ Run as Administrator.” ...

If you are asked to continue installation without flag settings in Roblox, follow the solutions mentioned below. Launch Roblox and/or RobloxPlayerLauncher as an administrator Clean Roblox App Data ...

If you are one such player, keep reading our guide as we list every possible reason why you can't join the private server in Roblox while sharing troubleshooting steps to fix it.