Volume Shadow Copy Service

Process Name vssvc.exe
Microsoft Service Description

Manages and implements Volume Shadow Copies used for backup and other purposes. If this service is stopped, shadow copies will be unavailable for backup and the backup may fail. If this service is disabled, any services that explicitly depend on it will fail to start.

Real World Description
Related to using the Microsoft Backup Utility. If you use it, you might want to set this to Manual, but otherwise --- Should have the same setting as MS Software Shadow Copy Provider