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Thread: WindowsUpdate_80070490

  1. #1
    Richard Guest


    Windows can't update and no one knows what to do about it. Does anyone know
    about this?

  2. #2
    Mick Murphy Guest

    Above is MS's solution to that problem.
    BUT, you do require a Vista DVD, not the OEM's recovery disks.

    Apparently he didn't like the same answer when I and others gave it

    My pc came pre-installed with Vista so I don't have the DVD. Is there
    another way to fix this problem?

  3. #3
    Alpha Guest

    Re: WindowsUpdate_80070490

    Type %windir%\Windowsupdate.log into the Start box.
    Then look near the end of that file to see what error messages occur
    when you get the 80070490 error.

    If it is complaining that one or more files are missing or corrupt
    you can try to replace just those files from someone else's working
    copy of Vista.

  4. #4
    Join Date
    Jan 2008

    Re: WindowsUpdate_80070490


    I am in the same situation - I have OEM Vista and Lenovo/IBM says that they can reimage my drive if I'd like (yea, Sure?) or I can go out and purchase a new Vista product to get the disks... but they can't help me with this problem... and the number they give me for Microsoft help is a recorded message. Big help from them.

    Your message suggests that there may be an alternative to reinstalling with new Vista Disks... and you suggested checking a log...

    I've done that, and here's the bottom of the log... do you see anything to tell you what kind of a problem I have and do you know of a fix?


    FATAL: UH: 0x80070490: EvaluateApplicability failed in CCbs::EvaluateApplicability
    WARNING: CBS EvaluateApplicability returned error, error = 0x80070490
    FATAL: Applicability evaluation for setup package "WUClient-SelfUpdate-ActiveX~31bf3856ad364e35~x86~~7.2.6001.788" failed, error = 0x80070490
    FATAL: SelfUpdate check failed, err = 0x80070490
    * WARNING: Skipping scan, self-update check returned 0x80070490
    * WARNING: Exit code = 0x80070490
    ** END ** Agent: Finding updates [CallerId = AutomaticUpdates]
    WARNING: WU client failed Searching for update with error 0x80070490
    >>## RESUMED ## AU: Search for updates [CallId = {C546C8BF-2DCD-4F9F-9A3F-6E6A8D607941}]
    # WARNING: Search callback failed, result = 0x80070490
    # WARNING: Failed to find updates with error code 80070490
    ## END ## AU: Search for updates [CallId = {C546C8BF-2DCD-4F9F-9A3F-6E6A8D607941}]
    Need to show Unable to Detect notification
    AU setting next detection timeout to 2009-04-09 05:13:00
    Setting AU scheduled install time to 2009-04-09 08:00:00


    Also, I understand that there is a Microsoft Support line that is free for security related issues. As I can't update my year old machine with new security fixes because of this problem, perhaps they can help me. Do you know of this line and can you pass along the number?



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