How to backup data in xp

Hi,
I want to backup my data. Can any one tell me which is the best backup software.Windows indigenous backup utility is better then backup software or not. Moreover i also want to know that backed up or packed are virus proof or not.

thankx in advance

Ali

Here is an interesting guide which tells you what to backup on your Windows. There is a another thread which guides for the backup software. You have a look on this and get more highlights on Windows based and third party software backup. There are ample of tools that you can use for backup windows. They are divided into regular, scheduled and one time back. Also the below threads gives you the cause of a failure.

Windows Backup Solutions

Best Backup Software