Just a couple of programs we recommend to keep you safe and are free.
Free Antivirus www.avast.com
Avast antivirus works very well and is free.The free version offers Intelligent antivirus & anti-malware scanning, Home Network Security (Scan your home network for weak spots.), Browser Cleanup (Get rid of annoying browser add-ons).
Malware Cleaner www.malwarebytes.org
Malwarebytes Anti-Malware Malwarebytes Anti-Malware's industry-leading scanner detects and removes malware like worms, Trojans, rootkits, rogues, spyware, and more. All you have to do is launch Malwarebytes Anti-Malware and run a scan.
These are just a couple of good programs to use on your Desktop/Laptop to help protect your information and keep your computer running smoother.
As with any software make sure and have good backups in case something happens.