Tag Archives: anti-virus

Roll Call: Essential Security Software

Okay, you know you have to have it: security software. The Web is crawling with baddies: viruses, Trojans and worms; and even though you never visit “high-risk” websites, you’re still at risk from those unscrupulous vendors that put out deceptive software or peddle aggressive adware. Sometimes all it takes is a seemingly reputable download from a d fraud, and sometimes all it takes is a stray link or email attachment from a friend whose computer has been hijacked.

The point it, you need security, but some of the terms are confusing. What’s the difference between anti-spyware software and anti-virus? Why do you need both? And importantly, where do you get it?

When making a competent security net for your home computer or home network, there are three essential security components you need: a firewall, anti-spyware software, and anti-virus software.


A firewall is a piece of software that runs continually in the background when your computer’s on. It acts as a filter or “checkpoint” for the data coming into your computer from the Web. Firewalls maintain a list of known bad-guys, including individual pieces of software and websites that are known to be harmful. If either of these targets tries to get into a computer, the firewall will block it. Continue reading

DLL Errors and Malware

Nobody loves malware on their machines. In fact, most of us are constantly on guard from spyware, viruses and the like – this is why we routinely monitor, sweep and clean our computers. Occasionally, however, your cleaning efforts can actually solve one major problem while creating another. Let’s say you successfully identify and clean a piece of malware, but then an error message starts popping up that looks like this:

rundll_error3 rundll_error2

What does it mean?

The Nature of Malware

Malware is the name we use for anything rotten that other people attach to your computer. This can include spyware, adware, email worms, and – yes – viruses. One thing that the vast majority of malware programs have in common is that they prefer to stay hidden away down in the recesses of your machine. Continue reading