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Several times i try to repair w8pro using sfc /scannow in various manners in elevated cmd or from usb recovery console with different additional options, i always get stuck with unable to repair because no source files. It seems that /offbootdir=<path to my unpaked install.wim> does not work for sfc. Where do i place files that sfc could find them? I think about dll cache but i do not know how to it in w8

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  • in fact it was too general, ok changed
    – Yurij73
    Aug 21 '13 at 13:03
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In Windows 8 use the new DISM command to fix file corruptions

DISM /Online /Cleanup-Image /RestoreHealth

When Windows detects corrupted files it will download them. You can also use the command offline and point to a WIM to get the data:

Dism /image:C:\ /Cleanup-Image /RestoreHealth /source:wim:D:\install.wim:2
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  • super! I feel this will help me. a question before applying what does ":2 " mean? do I need invoke dism from recovery or elevated prompt would be enough?
    – Yurij73
    Aug 22 '13 at 6:36
  • this is the Index. A WIM can contain more than 1 Windows edition. Aug 22 '13 at 18:11
  • @Yurij73 did it worked as expected or not? Sep 11 '13 at 4:30

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