If your plugin is broken, make sure you are on the latest version. Go into ROBLOX Studio, go to Plugins - Manage Plugins and click the update button next to the Ro-Defender icon. ============================== Ro-Defender™ Plugin will protect your game from every angle. It removes all common viruses in just a few seconds from your entire game at the push of a button. A virus on ROBLOX is a script that maliciously causes lag, spreads, or induces a similar, unwanted effect.