The install.wim or the install.esd file, that you 're using as a repair source, contains multiple install.wim files. You have specified a wrong Windows Image (install.wim) file as the repair source, when using this command: 'DISM /Online /Cleanup-Image /RestoreHealth /Source '
DISM tool cannot find online (in Windows Update or WSUS) the files needed to perform the repair, when using this command: 'DISM /Online /Cleanup-Image /RestoreHealth' The error 'The Sources files could not be found files' in DISM tool, is commonly caused because of the following reasons: ( DISM's source files could be found error codes: 0x800f081f or 0x800f0906 or 0x800f0907 ) 'The source files could be found' error, after running the 'DISM /Online /Cleanup-Image /RestoreHealth' command, is a common problem on Windows 10 and 8 based computers.