How can I prevent spyware infection?
 

One of the most powerful ways to prevent your system from being infected by spyware is by installing and keeping a firewall turned on at all times. Normally, all versions of Windows have a firewall preinstalled on the operating system. This firewall is capable of detecting and removing illegitimate scripts and programs.

If you have Windows installed on your system, navigate to the firewall settings and enable the recommended settings for firewall. This will warn you every time a process, script or program from the outside is attempting to hack or access your computer. Refrain from clicking on pop-ups as well as unsolicited banners that appears on your screen.

It has also been confirmed in the past that almost all of the P2P programs and file sharing applications are the major transporters of Adware and Spyware so we recommend that you avoid using these programs as much as possible. Additionally, never open email attachments if you are not sure about the identity of the sender. Use the pop-up blocker from your browser. You must also avoid downloading data from sites that you do not know.

Finally, Research online and get a reliable Spyware Removal Tool to automatically remove or get rid of nasty Spyware or Adware in case your system gets infected.