If you receive Windows Update error 80070424 while checking for updates, the cause might be that a service required by Windows Update isn't running.

An automatic troubleshooter is available that fixes some problems with Windows Update, and it might resolve this error for you.

To run a Windows Update troubleshooter

  1. Click this button:

    Picture of a Fix it button
    Fix this problem

  2. In the File Download dialog box, click Run, and then follow the steps in the wizard.

  3. Open Windows Update, and try to install the update again.

If that didn't work, try the following steps.

To start required Windows Update services

  1. Open Administrative Tools by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Administrative Tools.

  2. Double-click Services. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

  3. In the Services dialog box, click Background Intelligent Transfer Service (you might need to scroll to find it; the entries are in alphabetical order).

  4. Note the status of the selection (the status appears in the third column). If it shows Stopped, right-click Background Intelligent Transfer Service, and then click Start.

  5. In the Services dialog box, click Windows Update (you might need to scroll to find it; the entries are in alphabetical order).

  6. Note the status of the selection (the status appears in the third column). If it shows Stopped, right-click Windows Update, and then click Start.

  7. In the Services dialog box, click Workstation (you might need to scroll to find it; the entries are in alphabetical order).

  8. Note the status of the selection (the status appears in the third column). If it shows Stopped, right-click Workstation, and then click Start.

  9. Close the Services dialog box, and then run Windows updates again.

If the Background Intelligent Transfer Service doesn't appear in the list of Services, see the resolution section of this article about problems with the Background Intelligent Transfer Service on the Microsoft website.

If the Windows Update Service doesn't appear in the list of Services, see this article about installing the Windows Update agent on the Microsoft website.

If you continue to see this error, see this automatic troubleshooter on the Microsoft Support website, or go to the Microsoft Answers website for more assistance.

Error codes this applies to:

  • WindowsUpdate_80070424

  • 0x80070424