In order to unlock the system, reboot the PC and then press the F8 key to enter Safe Mode. If the system is opened, uninstall LG Smart On from the computer (Control Panel > Uninstall a program) and run Glary Utilities or any other registry cleaner from Software Informer database. After that, reboot the PC and install LG Smart On again. If you can't access the system using the Safe Mode, try unlocking it following the instructions that you can find in the user manual. Alternatively, you will need to contact the developers of LG Smart On or to visit a local service center.