Run the Windows Update troubleshooter

The Windows Update troubleshooter checks the services and files that Windows Update needs and repairs common problems on its own. On Windows 11 it runs in the Get Help app.

Time
A few minutes
Level
Easy
You need
An internet connection. An administrator account for some repairs.

Before you start

  • Write down the error code Windows Update shows, if any (for example 0x80070002). It helps if the troubleshooter does not fix the problem.
  • Restart the PC once and try the update again: a pending restart blocks many updates.

Windows 11

Steps written for Windows 11 (screenshots: 26H2).

  1. Open Troubleshoot settings

    Select Start > Settings > System > Troubleshoot.

  2. Open the list of troubleshooters

    Select Other troubleshooters.

    Settings, System, Troubleshoot with Other troubleshooters
    Settings, System, Troubleshoot: select Other troubleshooters. Screenshot: Windows 11 26H2
  3. Run the Windows Update troubleshooter

    Under Most frequent, select Run next to Windows Update. The Get Help app opens and starts the checks.

    Other troubleshooters list with Windows Update under Most frequent
    Windows Update is in the Most frequent group; select Run on its row. Screenshot: Windows 11 26H2
  4. Read the result

    Wait until Get Help finishes. If it found and fixed a problem, it says so and asks whether this solved the problem. Answer the question so it can offer the next step.

    Get Help result: Problem detected, with Yes and No buttons
    Get Help reports what it found and asks if the problem is solved. Screenshot: Windows 11 26H2
  5. Restart the PC

    Restart when the troubleshooter finishes, even if it does not ask you to.

  6. Check for updates again

    Select Start > Settings > Windows Update > Check for updates, and install the updates it finds.

Steps checked against Microsoft Support: Windows Update Troubleshooter (March 2026); our screenshots of Windows 11 26H2 on Oct 3, 2026.

If Run does nothing or shows an error

Open the Get Help app from Start, type windows update troubleshooter in its search box and follow the steps it shows. This is the same troubleshooter, started directly.

What common error codes point to

Microsoft lists these causes for the most frequent Windows Update errors:

If updates still fail

  1. Repair system files: Run DISM and SFC to repair Windows system files.
  2. Clear the update cache and restart the update services: Reset Windows Update components.
  3. Download and install the failing update by hand: Install an update from the Microsoft Update Catalog.

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Sources

  1. Microsoft Support: Windows Update Troubleshooter (read Oct 3, 2026)
  2. Microsoft Support: Troubleshoot problems updating Windows (read Oct 3, 2026)
  3. Microsoft Support: Windows troubleshooters (Get Help) (read Oct 3, 2026)

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