 To stop RegClean Pro from launching at startup is quite easy. For this, start by launching RegClean Pro. Next go to the settings tab and under startup schedule, uncheck the launch at Windows startup and start registry scan option. After unchecking, click apply, followed by OK on the confirmation window, that's it. RegClean Pro won't automatically launch during Windows startup, if you need more information or have any questions. Please drop your queries at support at systweak.com.