1. The first thing you should do after accesing the internet is run Windows Update. Simply open Internet Explorer and go to www.windowsupdate.com , follow the instructions there to patch any security holes in your system.
2. The second thing you should do after accessing the internet is ensure that your antivirus program is Up-To-Date. To do this, open your antivirus program and activate its update function. This will help to protect your computer from viruses. If you do not count with a Antivirus Program
3. Third, Your PC should be defended by a Firewall. A firewall is a computer program that stops harmfull programs from attacking you on the internet. If you do not count with a Firewall installed please visit www.zonelabs.com for more info.
4. Receiving or Accepting Emails from an Unknown sender can damage or install viruses in your computer. Avoid to share your personal email on the internet, there is a lot of web sites that want your email adress to send you Spam Email.
5. There is really very functional cool websites on the internet, make sure your browser count with all update technologies, make sure you had the last update of your browser to do this go to your help panel in your browser for more info in how to update.