You should do a virus scan if you recognise these problems

Are you experiencing slow processing much of time while running programs? This might be one of many symptoms indicating your computer may be infected with a virus. If you are experiencing any of signs mentioned below, the first step is to do a virus scan.

  You can't print correctly.

  Your computer crashes and often restarts.

  Your computer is running usually slow, or slower then experienced.

  Your computer freezes and doesn't respond to actions.

  You see odd error messages.

  You can't access your computer's hard drives.

  Applications aren't working properly when used.


These signs most likely suggest that your computer has a virus and that it needs to be taken care of immediately. 

Using the Microsoft Malicious Software Removal tool is the first step in restoring your computer back to a manageable state. This software will locate on your computer where the problems are and help you correct them.  As useful as this tool is, it isn't a full scan. So the next pertinent thing that should be done is run your antivirus program and do a virus scan of your computer. Depending on the severity of the problems, the scan  could take minutes or it could take longer.

If you don't have an antivirus program and your computer is severely infected, it goes without saying that it's highly recommended to obtain one. There are a number of well known antivirus programs available, most which can be found on websites containing anti virus programs ratings along with other useful information.

Try and do a virus scan not only as part of your computer maintenance, but also to protect your personal files and information from intruders.

See what viruses your current antivirus software let slip through!