There are a number of different problems that viruses can cause your computer from slowing the running of programs right down to the loss of data and documents. Unfortunately, many people often do not give any consideration to running regular virus scans and so there are viruses that can go undetected for some time. The longer these viruses remain on your computer, the more damage they can do.
Having antivirus software installed on your computer is essential if you want to keep it protected. You also need to make sure that the software is updated regularly so that it keeps you protected against the latest viruses. One of the main mistakes that people make with regards to anti-virus software is that they download it once and then assume that they will be protected for years to come but this is not the case. Regularly updating the software is just as important as downloading it in the first place.
There is software that is available that will scan your computer for viruses on a regular basis. These scans can be carried out in the background so that you can carry on using your computer as normal. If you do not need to use the computer for a short time then you can carry out a more intensive scan. These intensive scans can often be carried out in a matter of minutes so you do not have to worry about your computer being tied up for too long. Downloading this type of software is strongly recommended because it will help to protect your computer and all the data that you have stored on it.