Once you’ve changed the child account settings, restart Roblox and check if the error code 103 is now gone. Fix #3: Enable Universal Plug and Play in your router.

Having trouble playing Roblox? Here's what you need to know about error code 103.

Make a new ROBLOX Account without Age Restriction. Allow Content from other people. Forward the Ports used by Roblox. Perform a Power Cycling Procedure. Uninstall, then Reinstall Roblox. Let us ...