Your brand new computer unprotected attacked violently by a simple craft and a simple virus can slow down the system unusable or just to your computer. To avoid viruses, you need a good antivirus, Windows Essential MAC is less necessary. A good antivirus will protect you, you lose everything on your computer.
On the internet you can download free anti-virus (AVG or Avast 5, for example), but remember to turn it on and above all, regular updates.
Even better, some anti-virus you can schedule automatic updates. Do it if possible!
The free solutions are interesting … but often limited in their abilities and capabilities. If you can invest a few dollars, you can choose for all solutions in one, these solutions are not just doing their job as an anti-virus to pay, but also has other roles such as anti-spyware, Anti-Backdoor, etc.. . not to monitor incoming mail that is perfectly all while you work on your computer.
But back to this virus. A virus can occur in several ways:
- A USB stick or a CD for example, that someone please loaned you not know that there is an infected file inside!
- For a program from the Internet that you might not be malignant (eg, “Clean your PC completely free with our program”) downloaded
- Peer-to-peer sharing of movies, music, software between people (such as Kazaa)