Windows Update error 80240016

I have tried absolutely everything possible about this error code. This has been going on for months now which really frustrates me. I need to know is there any brand new information about this problem. I have tried EVERYTHING for MONTHS.

Question Info

Last updated February 24, 2020 Views 159,870 Applies to:

"Error message when you try to install updates from the Windows Update Web site or from the Microsoft Update Web site: "0x80240016"

When you try to install updates from the Windows Update Web site or from the Microsoft Update Web site, you may receive the following error message:


This issue occurs if a Windows Update client or a Microsoft Update client cannot access the user token.

To resolve this issue, stop and then restart the Windows Update Service. To do this, follow the steps that are appropriate for your operating system.

Windows Vista and Windows Server 2008
Follow these steps:
  1. Close any Windows Update or Microsoft Update browser windows.
  2. Click Start
    Collapse this imageExpand this image
    , type Command Prompt, in the list of results, right-click Command Prompt, and then click Run as Administrator.

    Collapse this imageExpand this image
    If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  3. Type the following commands. Press ENTER after each command:
    net stop wuauserv
    net start wuauserv
  4. Close the Command prompt window.
  5. Try to install updates again.

For any further Windows Update questions:

This is the Vista Install, Upgrade and Activate Forum.

You will get the best help for any Update/Service Pack problem in the Vista Update Forum; link below:

When you repost there, kindly include any Error Codes, and exactly what happens when you attempt to Update.

That way you will receive the correct help there.


Mick Murphy - Microsoft Partner

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