Windows Repair Intelligence™ Report

0x800f081f

The source files could not be found

Home / Error Codes / DISM and component repair / 0x800f081f

Windows servicing could not find the package or files needed for the requested repair or feature.

SeverityHighSystemsWindows 10 / 11SymbolCBS_E_SOURCE_MISSINGUpdatedAug 31, 2026

Overview

A repair source must match the installed Windows release, edition, architecture, language, and patch level closely enough for servicing.

Common causes

  • Windows Update repair source is unavailable
  • Specified source does not match the installed image
  • Source lacks required payloads
  • Policy prevents source retrieval

Symptoms

  • DISM RestoreHealth stops with 0x800f081f
  • Optional feature installation fails
  • The message asks for a repair source

Prevention

  • Retain matching official media for managed builds
  • Document Features on Demand sources
  • Keep servicing policy current

0x800f081f diagnostic evidence

Official-definition grounded

Use the code identity and the affected operation together. The same numeric result can appear in different workflows, so logs and symptoms determine the safest repair branch.

Hexadecimal0X800F081F
Unsigned decimal2148468767
SymbolCBS_E_SOURCE_MISSING
Error familyDISM and component repair
Severity bitFailure
Evidence sourceMicrosoft Windows Update corruption and installation guidance
1Confirm the operationDISM RestoreHealth stops with 0x800f081f
2Collect matching evidenceOptional feature installation fails
3Retest the same actionThe message asks for a repair source

Definition source: Microsoft Windows Update corruption and installation guidance. This report preserves the official code identity and does not claim one universal cause.

How to troubleshoot error 0x800f081f

First identify which application, installer, update, or location produced the error. Repair the affected source before changing Windows globally.

1

Identify the failing program or location

Record the application name, file or folder path, and the action that failed. If removable or network storage is involved, reconnect it before retrying.

2

Repair from the official source

Repair or reinstall the affected application using its official publisher package. For path errors, verify that the source and destination still exist and are accessible.

3

Check Windows components only when involved

If the missing item belongs to Windows rather than an application, run DISM and SFC from an administrator terminal, then restart and retry.

Before advanced repair: Do not download a missing DLL or system file from an unknown website. Use the official application installer or supported Windows repair tools.

Official-source grounding

The error meaning is grounded in Microsoft Windows Update corruption and installation guidance. The visual sequence also follows Microsoft DISM repair guidance. Causes and repair steps vary by system evidence; this report does not claim a universal success rate.

Frequently asked questions

What does 0x800f081f mean?

Windows servicing could not find the package or files needed for the requested repair or feature. A repair source must match the installed Windows release, edition, architecture, language, and patch level closely enough for servicing.

Is 0x800f081f always caused by the same problem?

No. The code identifies a failure condition, but the exact cause depends on the affected operation, Windows build, logs, and recent system changes.

Can Advanced System Repair help with 0x800f081f?

Advanced System Repair can scan for damaged Windows components and related system issues. No tool can guarantee one universal fix; preserve backups and match repair steps to the evidence on the affected PC.