If you feel that your computer is running slowly because of a virus you will need to run a scan to fix the issue. You can refer to the steps below to remove malware using your Norton antivirus software:
• Step 1: Click ‘Run Live Update’ to download the latest virus definitions.
• Step 2: Go to ‘Options’ select ‘Manual Scan’ from the left side menu.
• Step 3: Press the ‘Automatically Repair Infected File’ option.
• Step 4: Select ‘Scan for Viruses’ and then double-click ‘Scan My Computer.’
After Norton Antivirus scans your computer it will automatically remove any malware. In case you encounter an error while running the scan you can call the norton customer service number and ask for technical assistance.
Read More:- https://www.antiviruscareonline.com/norton-support-number.php