Spyware are made to be kept hidden from anything that would track it down. Fortunately, there are people who are expert enough to make software that could track spyware activities and locate the exact location of the spyware. Removal requires intensive operation that only software can do quickly and easily. Trying to search and destroy spyware through manual means will only pose risk to the computer.Spyware sometimes put themselves in areas that are delicate to move. They were instructed to go to locations where they are protected from being erased. That feature is present within the Windows system and is being exploited by spyware makers. A program that can counter that system will be able to successfully erase the spyware without doing any harm to the computer. Windows itself could not possibly counter its own system so another program has to do it. That is why Windows command to remove spyware is made for that very special purpose.