There are several things you can do. Probably the most important thing is to use common sense- don't click on links titled "13.42.46", or anything that looks like that. Be careful about where you enter your email address: Believe me, you will not win $10,000 just from being the 1,000,000th person to visit the site. One other thing you can do is get an email scanner- AVG is just one of the many anti-virus programs there are.
some antiviruses will scan the email, so download those
To avoid getting viruses.
There are many ways to avoid getting a computer virus. One of these is to ensure the computer that is being used has working anti-virus protection. It is also sensible to never click on a link or attachment in an email that is not from a trusted source.
Virus protection
Some attachments may contain harmful viruses, which could infect your computer. To avoid getting a virus, only open/download attachments from reliable sources, which you are expecting to be sent to you.
Some computer viruses.
Most computer viruses enter a PC via a spam email or infected website. This will come the form of an email attachment or some a Java applet. This means that it can be fairly easy to avoid getting a virus. Most people will get viruses simply they were not paying attention. They will open a malicious attachment someone spends them (this likely looks like a friend) or by going to a seedy website.
Macro viruses
There are many ways that you can avoid viruses when downloading computer software. The first way is to ensure that you only download software from authorized websites. The next way is to ensure that you have proper anti-virus software.
yes
Email programs block the content to emails where they do not recognize your connection to the sender. This is to prevent somebody from getting your personal data by attaching a virus. Viruses are most commonly sent via email.
The limitations of emails are that they may carry viruses