Return to

Win 10 SFC scannow fail / Log file help


Has anyone any idea how to interpret the log file entry below. I am trying to fix my windows partition and the SFC scannow errors with the output below.

00003437 (F) c000a2a7 [Error,Facility=(system),Code=41639 (0xa2a7)] #5854223# from Windows::Rtl::SystemImplementation::DirectFileSystemProvider::SysReadFile(h = 268 (’\Device\HarddiskVolume3\Windows\WinSxS\amd64_keyboard.inf.resources_31bf3856ad364e35_10.0.16299.15_en-us_5194fd7bdd82a7d2\i8042prt.sys.mui’), evt = 0, apcr = NULL, apcc = NULL, iosb = @0x888af7d600, data = {l:0 b:}, byteoffset = 0, key = (null))

[email protected]/9/4:07:49:28.894 (F) onecore\base\wcp\sil\merged\ntu\ntsystem.cpp(3480): Error c000a2a7 [Error,Facility=(system),Code=41639 (0xa2a7)] originated in function Windows::Rtl::SystemImplementation::DirectFileSystemProvider::SysReadFile expression: (null)

00003439 (F) c000a2a7 [Error,Facility=(system),Code=41639 (0xa2a7)] #5854222# from Windows::Rtl::SystemImplementation::CFile::ReadFile(Flags = 3, Buffer = {l:0 ml:10752 b:}, Offset = 0, Disposition = 0)

00000003 Servicing stack shim unable to mark handle 1d4 (’\Device\Ramdisk{d9b257fc-684e-4dcb-ab79-03cfa2f6b750}\Windows\temp\SSS_38c54937f562d50101000000e003f402\msdelta.dll’) for delete-on-close, error STATUS_CANNOT_DELETE

00000004 Servicing stack shim unable to mark handle 18c (’\Device\Ramdisk{d9b257fc-684e-4dcb-ab79-03cfa2f6b750}\Windows\temp\SSS_38c54937f562d50101000000e003f402’) for delete-on-close, error STATUS_DIRECTORY_NOT_EMPTY


Try this
open a command prompt as admin and run

These two will scan for corruptions
DISM.exe /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth

Will fix any corruptions and connect to Windows update servers to download any files
DISM.exe /Online /Cleanup-Image /RestoreHealth