· If you don't have any antivirus software on your system (shame on you), or if the software has stopped working, stay online and go for a free scan at one of several websites. There's McAfee FreeScan, Symantec Security Check, and Trend Micro's HouseCall. If one doesn't find anything, try two. In fact, running a free online virus scan is a good way to double-check the work of your own local antivirus program. When you're done, buy or download a real antivirus program.
· If you have antivirus software, but it isn't active, get offline, unplugging wires if necessary – whatever it takes to stop your computer from communicating via the internet. Then, promptly perform a scan with the installed software.
· If nothing seems to be working, do more research on the web. There are several system restore software can help you. There is AyRecovery EAZ-FIX. You can restore computer system easily and quickly to a previous healthy state from system with software conflicts, , virus attacks, even corruption and many other problems.
· Be careful with email. Set your email software security settings to high. Don't open messages with generic-sounding subjects that don't apply specifically to you from people you don't know. Don't open an attachment unless you're expecting it.
· If you have broadband internet access, such as DSL or cable, get a router, even if you only have one PC. A router adds an extra layer of protection because your PC is not connecting directly with the internet.
· Check your internet ports. The status of these doorways between your computer and the internet has three different variations: open, in which case your PC is very vulnerable; closed, but still somewhat vulnerable; or stealthed (or hidden), which is safest. Visit Gibson Research's website and run the free ShieldsUP test to see your ports' status. If some ports show up as closed – or worse yet, open – check your router's documentation to find out how to hide them.
A few pointers for a virus-free life
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