According to the creators of The Ultimate Troubleshooter 4.7, 65% of PC problems (blue screen, slow down, hanging, etc), whether at home or in the office, aren“t hardware problems nor from viruses or spyware, but are from tasks that operate in the background, and that the PC has to begin when it starts up.
Optimize your system, remove errors, get better speed from Windows, get detailed system information, detect spyware, adware and viruses, LAN functions to send pings, trace route, lookup, whois, etc.