installing failed windows updates

I have a PC that has several failed windows updates.
This PC is running windows 7 and there's windows updates that every time the PC is shutdown it tries to install the updates (via my group policy) but they fail.

I have 70 other computers that are fine, it's only one computer that these 6 updates are failing.

How do I even begin to resolve this issue and get the updates installed?
afactsNetwork EngineerAsked:
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jcimarronConnect With a Mentor Commented:
afacts--
There are several potential fixes

Did you check in Services that Windows Update service and Remote Call Procedure service are on?

Reset Windows Update
http://support.microsoft.com/kb/971058/en-us

http://support.microsoft.com/gp/windows-update-issues/en-us

http://support.microsoft.com/kb/906602

Fixit
http://support.microsoft.com/mats/windows_update/en-us

Reinstall Windows Update Agent (different links for different Win 7 systems (32bit and 64bit))

http://download.windowsupdate.com/WindowsUpdate/redist/standalone/7.1.6001.65/WindowsUpdateAgent30-x86.exe

http://download.windowsupdate.com/WindowsUpdate/redist/standalone/7.1.6001.65/WindowsUpdateAgent30-x64.exe 

Run SFC /SCANNOW from a Command Prompt

Run a System Restore to a date before the problem started.

Run a Repair Install.  A Repair Install should not affect personal data or installed programs. but it never hurts to backup first.
http://www.sevenforums.com/tutorials/3413-repair-install.html 

http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_update/when-i-run-windows-update-it-starts-searching-for/77aa31a3-4184-47f3-b657-d3475c47c3d0?msgId=6c2a457d-48d8-4677-8249-f74ed6c59f27
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KorbusConnect With a Mentor Commented:
Start by examining the system and application logs during/after the update attempt.  I suspect you will find some errors in there that will give you a clue as to what the problem is.
Google any error you dont understand,  some results may very well have a solution.
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Donald StewartConnect With a Mentor Network AdministratorCommented:
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Making Bulk Changes to Active Directory

Watch this video to see how easy it is to make mass changes to Active Directory from an external text file without using complicated scripts.

 
unknown_routineConnect With a Mentor Commented:
Sounds like a registry issue.

1: disable the windows update service on the affected computer:

http://en.kioskea.net/faq/15286-windows-7-disable-windows-update


2: Restart your the computer


3: you can now enable the windows update service.
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comfortjeaniusConnect With a Mentor Commented:
You can view the Windows Update Log:

    Click Start, and then click Run.
    In the Open box, type windowsupdate.log, and then click OK.

or
    Windows key + r
     Type: windowsupdate.log and hit enter.

Locate any errors during that period and you can post them.

Plus from this link "How to read the Windowsupdate.log file"
How to enable extended logging
Microsoft Product Support Services may ask you to turn on verbose logging. To turn on verbose logging, add the following registry key with two values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Trace
Value name: Flags
Value type: REG_DWORD
Value data: 00000007

Value name: Level
Value type: REG_DWORD
Value data: 00000004
This registry key turns on an extended tracing to the %systemroot%\Windowsupdate.log file. Additionally, this registry key turns on an extended tracing to any attached debuggers.
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afactsNetwork EngineerAuthor Commented:
Thanks everyone, this did the trick:

      1. Open CMD promt
      2. Type this command:  
            a. net stop wuauserv
            b. Net stop bits
      3. You can review the windows update log here:  C:\Windows\windowsupdate.log
      4. Navigate here to the download folder and delete every folder and file here:
            a. C:\Windows\SoftwareDistribution\Download
      5. Now delete the following file: datastore.edb
            a. C:\Windows\SoftwareDistribution\DataStore\datastore.edb
      6. Now delete every file in this folder:
            a. C:\Windows\SoftwareDistribution\DataStore\Logs
      7. Now if you have a folder called "cache", delete everything in that folder:
            a. C:\Windows\SoftwareDistribution\PostRebootEventCache.V2
      8. Start the two services we shut down:
            a. Open CMD:
                  i. Net start wuauserv
                  ii. Net start bits

Reboot the Computer
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afactsNetwork EngineerAuthor Commented:
Thanks everyone for pointing me in the right direction.
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jcimarronCommented:
afacts--glad to have helped.
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