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Thread: Error Code 80070BC9 and 800B0100

  1. #1
    happy to be here Guest

    Error Code 80070BC9 and 800B0100

    When I try to install my windows vista updates I keep recieving failed and
    the above error codes. I contacted microsoft and they say my files are
    corrupted and for a fee they will fix them I am a novice at this so need
    some good advice - any help will be greatly appreciated

  2. #2
    clou Guest

    RE: Error Code 80070BC9 and 800B0100

    I have to conclude that looking at all of these posts tonite and today, there
    is definitely a problem. I am gonna just hold tight here.

  3. #3
    TaurArian Guest

    Re: Error Code 80070BC9 and 800B0100

    Hi there, I can only post what others have tried and had some success with -

    For me this was the solution:

    1. Click Start, on "Start Search", type "cmd" (without quotations mark) and right click
    the command prompt icon select Run as Administrator.
    2. In command prompt, type the following command and Enter: regsvr32 wintrust.dll

    If this doesn't work for you try the following:

    1. Disable any Firewall, Antivirus, download accelerator software.

    Firewalls and Antivirus programs are 3rd Party (non-Microsoft) Programs, and although they
    are mostly effective in protecting your computer from Viruses and Computer hackers, they
    do fail to take into consideration program installations. The nature of these programs is
    that they scan everything on the computer, making sure to try and stop any virus-like
    activity.

    When you visit Windows Update and download, and most importantly install any of the
    updates, the update installation is always battled by the Antivirus and Firewall until the
    Antivirus clears the program of being a virus. In most cases, this is harmless and the
    Update installation goes through successfully. Occasionally, the Installation gets
    corrupted, and a process during the install is stopped, or interfered with by the
    Antivirus product.

    For this reason, we suggest that you disable any Antivirus or Firewall software while
    trying to install updates from Windows Update.

    2. Verify the Language Settings

    2.1. Start Internet Explorer.

    2.2. Click "Tools", and then click "Internet Options".

    2.3. Click the "General" tab, and then click "Languages".

    2.4. In the "Language" list, make sure that the operating system language
    version is included. If the operating system language version is not on the
    list, click "Add", click the language in the "Language" list, click "OK",
    click "OK", and then click "OK" again.

    3. Reset Internet Zone Security

    3.1. Start Internet Explorer.

    3.2. Click "Tools", and then click "Internet Options".

    3.3. Click the "Security" tab, and then in the" Select a Web content zone to specify its
    security settings" box, click "Internet".

    3.4. Click "Default Level", and then click "Apply" to set this zone to Medium security.

    3.5. Click "OK".

    4. Verify that the Date and Time Are Set Correctly

    4.1 In the bottom right corner of your screen, double click the time. This will open the
    Date and Time Properties window.

    4.2 Please check that all details are correct including the year, the Time zone and that
    AM/PM is set correctly.

    4.3 Click OK.

    If the problem persists despite performing above troubleshooting steps, I'd like you to
    perform below guidelines to download and install a new Windows Update Agent as the current
    one might be corrupted.

    1. Open Internet Explorer and paste on address bar
    http://go.microsoft.com/fwlink/?LinkID=91237 (for 32 bit) or
    http://go.microsoft.com/fwlink/?LinkID=91238 (for 64 bit)

    2. A box will prompt to save a the Windows Update Agent file, save it on the Local C:
    drive.

    3. Click Start, on "Start Search", type "cmd" (without quotation mark), right click the
    command prompt icon and Run as Administrator.

    4. Type c:\WindowsUpdateAgent30-x86.exe /wuforce in the command prompt and Enter.

    5. Follow the instructions to install the Windows Update Agent.

    6. Please restart the computer after the installation.

    7. After restarting the PC, click on Start and choose Windows Update and it will open a
    new Internet browser.

    8. A box will prompt asking permission to install the Windows Update software, click
    Install and proceed to download the updates.

    If it still fails, type the following commands in command prompt, pressing ENTER after
    each line:

    net stop cryptsvc
    ren %systemroot%\system32\catroot2 oldcatroot2
    net start cryptsvc

    Hope this works for you too!

  4. #4
    makkyo Guest
    I attempted to install the new windows update agent, per your instructions,
    by using /wuforce in the command prompt. However, in the middle of installing
    the new update agent, it fails, giving me the (same) error code, 0x80070BC9.

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