I searched for something on the internet and when I clicked on the first site listed, messages appeared on my PC that looked liked legitimate Windows Security warnings. The messages said trojan and other viruses had been downloaded into my computer (but I didn't download anything, just opened a website). The only way to clear the messages was to purchase Personal Antivirus Software from this company (the window would not close). So, I paid $79.90 with a credit card I do not use often, then called credit card company to cancel the charge... read full review »