Hello, the newest docu size report: - lib: 6000 files, 41 MB - rosapps: 4000 files, 34 MB - drivers: 3000 files, 31 MB - ntoskrnl: 2000 files, 19 MB - apps, tools: 1500 files, 12 MB - freetype: 1000 files, 9 MB - win32k: 900 files, 8 MB - explorer: 600 files, 3 MB - ntdll: 350 files, 3 MB - anything other: 1300 files, 11 MB Good enough for now. Martin