Norton comes with outstanding security tools and easy to use interface through which you easily conduct a manual update of Norton. After updating you have to restart your device to complete the updating process. But sometimes, Norton might stop working on your device after restarting your device. This error might occur due to an incomplete update and in that case, you have to reinstall your Norton antivirus properly. But before reinstallation, it is advisable to check that you are using updated OS because an old OS might not be compatible with the latest Norton version. Call on Norton Support UK for more help.