In Act I, the witches told Macbeth that he would become the thane of Cawdor, and then the king of Scotland. They then told Banquo that his children would inherit the throne.
HMSHost was found in 1897 and its headquarters are located in Bethesda, Maryland, USA. HMSHost has $2.7B in revenue and 40,221 employees. HMSHost's top competitors are OTG, TGI and Concessions International. HMSHost Competitive Set.
That being said, Service Host(svchost.exe) is a generic service hosting container. Any number of required system services can be running in them, so I would not get rid of them. You can use Process Explorer to determine what services are running in the host container. My guess is it's Windows Update or BITS running.