Windows Errors

0x800f081f Source Files Not Found

Windows could not find the files needed to complete a feature or repair.

Error · Windows Errors

Meaning

DISM or Windows Update cannot locate the required source files.

Causes

  • Missing or corrupted Windows component store
  • Windows Update source not available
  • Offline repair without a valid ISO source

Fixes

  • Provide a Windows ISO as a repair source
  • Run DISM with a valid /Source path
  • Ensure Windows Update can access repair files

Example

Error: 0x800f081f The source files could not be found.

FAQ

  • Is this a Windows Update issue?
    Often, yes. The repair source is missing or blocked.
  • Can I fix it with an ISO?
    Yes, a matching ISO is a common fix.

Contact

If you do not manage system images, contact IT support.