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Windows Update troubleshooting: Error 0x800F081F, CBS_E_SOURCE_MISSING, WindowsUpdate_800F081F, WindowsUpdate_dt000

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In some cases, Windows Update may stop installing updates and generate the following error: WindowsUpdate_800F081F" "WindowsUpdate_dt000"

0x800F081F | CBS_E_SOURCE_MISSING  |  The source for the package or file not found.

Symptom:

Usually, this error code means that the source of the package or file was not found.

Resolution:

  • Check the integrity of the system files. To do this, run the following command at the command prompt (cmd.exe).
sfc / scannow
  • If errors are detected in the run result (which could not fix automatically), run the following command at the command prompt (cmd.exe).
DISM.exe / Online / Cleanup-Image / ScanHealth

References

If you are a technical professional, see How to fix errors found in the CheckSUR.log for a more options on fixing errors in the CheckSUR.log.

Read more:

Fix Windows Update errors by using the DISM or System Update Readiness tool