HKLM\SYSTEM\CurrentControlSet\Services\volsnap [MinDiffAreaFileSize] HKLM\SYSTEM\CurrentControlSet\Services\volsnap [MinDiffAreaFileSize] HKLM\SYSTEM\CurrentControlSet\Services\volsnap [MinDiffAreaFileSize] HKLM\SYSTEM\CurrentControlSet\Services\volsnap [MinDiffAreaFileSize]