Manages software-based volume shadow copies taken by the Volume Shadow Copy service. If this service is stopped, software-based volume shadow copies cannot be managed. If this service is disabled, any services that explicitly depend on it will fail to start. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\System Services!Microsoft Software Shadow Copy Provider (2) REG: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\swprv!Start