Download and install a secure internet firewall program to keep your system safe while surfing the websites. Zone Alarm is a very safe firewall that keeps your computer safe from all malwares and internet intruders. It keeps a strict check on all traffic through the internet connection and does not allow any software to sneak its way into your system without permission. It also blocks all unnecessary ports and keeps the computer safe from malwares. A computer with an updated firewall can never get infected with any type of malware.
Download anti-spyware tools on your computer and scan regularly to remain updated about the condition of your system. Most of these softwares will only scan and inform you of the presence of malicious content on your system. You will have to do research on the detected threats and manually remove them from your system. To do that, you need to be well versed in handling the system registry. If you are not comfortable in handling the registry, there is an easy alternate to it.
Download and install an antivirus program on the computer. Purchase a subscription of the antivirus, as free or cracked versions offer minimal security. Keep the virus definitions updated and scan the system regularly to get rid of adware threats and warnings from your system. Antivirus suite will automatically remove all detected adwares; most of the tools provide detailed information on the detected threats and a way to manually remove them from the system if it cannot fix the issue itself.
If even after taking all these measures; your system remains infected with adwares, it’s time to change your antivirus program.