Jul 052008

When running Windows Update in Windows Server 2008, Windows Update may fail with the error code 80070057. This is caused by the winHTTP Web Proxy Auto Discovery Service. WinHTTP implements the client HTTP stack and provides developers with a Win32 API and COM Automation component for sending HTTP requests and receiving responses. In addition, WinHTTP provides support for auto-discovering a proxy configuration via its implementation of the Web Proxy Auto-Discovery (WPAD) protocol.

To resolve the problem, stop this service and run the Windows Update again. To stop the service,

1. Click Start – Search for Services.msc and press enter.

2. In the right-pane, scroll down to the “winHTTP Web Proxy Auto Discovery Service“. Right-click and select “stop”.

3. Now, start Windows update and should run without errors this time.

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  7 Responses to “Error code 80070057 when trying to run Windows Update in Windows Server 2008”

  1. Did exactly this and I am still receiving error code 80070057 when trying to update vista home premium.

  2. I too was having the 80070057 error when trying to install Vist SP1. I called MS’s tech support line for Vista SP1 (free for consumers i.e. not on a domain). Here’s what they had me do:

    Drop your Windows Vista DVD in the drive and run through an upgrade installation.

    Reboot into safe mode and reinstall SP1 (standalone).

    Now, while the SP1 did install… after installing and rebooting into normal mode I could not get to the desktop. The place where you’d normally see “Press Ctrl + Alt + Del” or a picture waiting for a password did not show up. Just “Windows Vista Business” at the bottom of the screen.

    What I did to correct this was, reboot into safe mode again. Go into the control panel, local security policy and “Enable” Do Not Require Ctrl + Alt + Del to login.

  3. Thanks!!! it really works!

  4. didn’t work at all, is there another possible solution?

  5. So, I did all this and it didn’t work on my 2008 Server. Then I read something about stopping Windows Update Service(auto) and I tried that and BAM it would run the updates from the Windows Update Window.

  6. Thanks!!! it really works!

  7. Didn’t work.

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