·When you receive new emails from people you know or not, do not open attachments immediately, even you know it is safe. We have to check it by the antivirus software. If you find it not safe, delete immediately and scan your computer again.

·You need to remember some mailboxes of registered website administrator which you often use. When you receive emails, check the information of them carefully to see if they are familiar to you. If you are not familiar with them, delete them.

·For the safety of your computer, do not open websites people give you through MSN, Sky, FaceBook, unless you totally trust the person or you know what will happen.

·Scan your PC regularly. You need to download reliable antivirus software to protect your PC. To do this, you have to be careful, because some software is liar, they will destroy your computer instead of protecting your computer.

Here is reliable and free guard for your computer. Anvi Smart Defender is reliable software which gives you powerful protection. It is updated software produced by a group of talented person. You can download is for free.