First off if you don't have antivirus software download AVG's free version which shopuld help safeguard your PC. Windows XP (service pack 2) and Vista all have firewalls included, however ensure that they are active by going to control panel and then the security centre. DOWNLOAD AVG ANTIVIRUS FREE VERISON
It's very important to have virus software installed on your computer at all times and used along side a firewall. If you connect to the internet from any PC or Laptop which has no firewall you may be in serious trouble within minutes!
If you are experiencing unusual behaviour on your computer it may be the result of a virus infection. It's important not to open any attachments that are sent to you in emails from individuals or companies whom you don't know.
Computers are commonly infected through key generators for cracked downloaded software, which are sometimes packed with nasty viruses and trojans and are a typical way people infect their computer. Be wary of any executable files your donwnload unless from reputable sources, these files end with the file extension .exe
If you suspect your system has becomes virus ridden, its important to update your antivirus program immediately and then do a full scan of your hard drive.
These days viruses are smart and some can modify themselves ad make copies that are stored in various places on your computer. Some can even make themselves undetectable by disabling updates of your virus software. The new bread of smart viruses can cause serious damage and shut down a computers security mechanisms.
In these cases you may need professional help to remove the virus. We can disable and remove viruses, plus restore a damaged system to perfect working order! Have a look at a recent infection case -