What is advwindowsclientservice.exe doing on my computer?
advwindowsclientservice.exe is a Amazon Unbox Video Service
belonging to Amazon Unbox Video
Non-system processes like advwindowsclientservice.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.