These days viruses are sophisticated enough to disable your anti-virus software or be undetectable. You need to keep it up-to-date "practically on a daily basis", and every year or so, you get that annoying message that says: "please renew your subscription to download updates".
AVG is a great free anti-virus package from grisoft, which solves the yearly subscriptions for updates, but still resides on your local hard drive. What if you’re already infected with a virus that disabled your anti-virus?
Here’s one of my favorite apps, Housecall from trendmicro, is a free online virus scanner. The greatest thing about this anti-virus IS, it’s always up-to-date, it’s available from any computer with Internet access, and best of all it’s FREE. It also checks for spyware, and I found that it does a pretty good job at not only finding bugs and spyware but also giving you solutions to remedy them. like critical updates you may have neglected to install.
So if your PC acts up, or seems to be sluggish try running Housecall.
here are some other hints:
- download/install critical updates/patches
- don’t limit yourself to 1 anti-virus solution (it’s good to have AV package installed and use an online solution as well)
- install only 1 local anti-virus that runs in the background, if you install more than 1 it can cause conflicts
- use multiple spyware scanners (spyware isn’t the same as anti-virus)