A staggering 65% of problems which a PC encounters, whether in business or at home, are not caused by hardware problems, they are not caused by viruses, they are not caused by spam; they are caused by background tasks belonging largely to legitimate and well-known software you use every day !
The average PC has 25 or more background tasks which do not need to be running, all sucking up processor time and memory resources. 25 or more !...