Most PCs are now connected to the Internet and networks, making easier the spread of malicious software (malware), which includes trojans (also known as trojan horses), viruses, worms, spyware, adware, rootkits and other malicious or unwanted programs. Is your computer running slower than usual? Are you getting lots of pop-ups? Have you seen other weird problems crop up? If so, your PC might be infected with a virus, spyware, or other malware-even if you have an antivirus program installed on it. Though other problems, such as hardware issues, can produce similar symptoms, it's best to check for malware if you aren't sure. But you don't necessarily need to call tech support or the geek across the street to scan for malware-Here you will find how to do it yourself.
