This service is responsible for loading and unloading user profiles. If this service is stopped or disabled, users will no longer be able to successfully sign in or sign out, apps might have problems getting to users' data, and components registered to receive profile event notifications won't receive them.
Path to executable:
C:\WINDOWS\system32\svchost.exe -k netsvcs -p
CMD: This method shows you how to Start/Stop User Profile Service service from Command Prompt
Perform the following steps:
Please go to Start and click on the Type here to search
Type cmd, right click on cmd icon under the Programs and click on Run as administrator