I wouldn't use Kaza. I've heard that unless you really know what you are doing that they can take over your computer. This was on our local news about a year ago.
best thing to do is not to go online ... and if you do, dont go to any websites, dont get any email and for goodness sake, never give anyone your e-mail address, the problem is, as soon as you sign up for an ISP, your email address has been sold to a million companies who are going to send you multiple advertisments per day until you get so sick of it, you kick your computer screen in and never turn on the tower again ...