here i will show you 6 ways which can help any ti prevent your pc with virus 1.use strong pasword and change them periodically 2.to install antivirus software like smadav antivirus 3. to install anti spyware and anti malware software 4. to perform daily full system scans 5. to create back up schedule 6. use fire wall to protect site of virus 7.use amail with coution 8. last way is to update your computer this is last way can helps your pc to prevent with virus thanks all of you for more details you can gets here in my web