1. Start a new computer and connect to the network The first thing you need to do is update your Windows operating system immediately. Please use the Windows Updates or Windows Security Center features to update. Also remember to turn on the automatic update feature for the operating system. Unless your computer has third-party firewall software installed, remember to enable Windows XP firewall in case you use Windows XP.
2. Update the new virus definition for pre-installed antivirus software on your computer and update other security software. Configure automatic updates for these software.
3. Download and install an alternative browser to Internet Explorer such as Firefox or Opera .
4. Configuration increases security for Internet Explorer even in case you use another alternative browser. You can refer here.
5. Should install at least one antispyware application. The top two anti-spyware applications are Ad-ware and Microsoft AntiSpyware . Update new spyware definitions for these software and enable automatic scanning and protection for Microsoft AntiSpyware.
6. You can install additional programs like SpywareBlaster or SpywareGuard .
7. Install IE-SPYAD . This is an automated application that adds a list of 20,000 dangerous Internet domains to the list of sites that prohibit access to IE.
8. Install a HOSTS file - this is a file format that helps you get rid of tricks to take DNS to get you to visit a dangerous website instead of a reliable website. You can download it here .
9. Take the time to learn the signs that your computer is infected with spyware and how to fix it. You can refer here .