' Delete All Shadow Copies on a Computer
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
)
Set colItems = objWMIService.ExecQuery("Select * From Win32_ShadowCopy")
For Each objItem in colItems
objItem.Delete_
Next