Update for Windows 8.1 for x64-based Systems (KB3000850) - NOT installing

I have 7 computers running Windows 8.1, 1/2 are 32 and the other 1/2 is 64 bit.  When I try to install this update it tries but when they reboot is says it's undoing to update.

Any ideas?
nobody40Asked:
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JohnBusiness Consultant (Owner)Commented:
I have the update above on my Windows 8.1 Pro 64-bit machine and it is from November, 2014.

Go to the Windows Update Troubleshooter site and run the FixIt for your computer. When done, run SFC /SCANNOW from an admin command prompt. Restart after all this and test.

http://support.microsoft.com/kb/971058
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McKnifeCommented:
That is a huge update (>700MB IIrC). It came out in November '14.
Whenever windows has a problem updating, it does a rollback. Finding  out what's the particular problem is hard.
A method that would surely help is to do an inplace upgrade (aka repair installation of windows) by inserting the win8.1 setup dvd.
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nobody40Author Commented:
John Hurst that didn't work.

McKnife - I'm not going to delete what we have installed which is not the same on every computer.
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McKnifeCommented:
Who talked about deleting? A repair installation does not delete anything.
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JohnBusiness Consultant (Owner)Commented:
Since SFC did not work, you have a couple of alternatives.

1. DISM. This is a heavier duty repair tool and I have used it.

Open cmd.exe with Run as Administrator.
DISM.exe /Online /Cleanup-Image /Scanhealth (takes 15 - 20 minutes).
DISM.exe /Online /Cleanup-Image /Restorehealth (takes 15 - 20 minutes).
Restart the computer and test.

2. Windows 8 Repair Install.

Here is an Eight Forums to assist you.
http://www.eightforums.com/tutorials/26095-repair-install-windows-8-a.html

3. Windows 8 Refresh. Go to Action Center Recovery Options for Windows 8 Refresh. This keeps data and most settings, but you must reinstall software.

Try these starting with DISM on one problem computer to see if you can make progress.
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nobody40Author Commented:
DISM done and still the same issue.
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McKnifeCommented:
Well, all has been said. Next step is a repair installation. John linked http://www.eightforums.com/tutorials/26095-repair-install-windows-8-a.html for a manual.
Please note that the list contained in that link which is named "Settings that will be NOT be Preserved when doing a Repair Install" is incomplete. It will also reset all windows security configurations (that includes startup types of services and secpol.msc config) will return to their defaults.
But the other list "Settings that will be Preserved when doing a Repair Install" should assure that you will do alright.
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JohnBusiness Consultant (Owner)Commented:
Look at using Windows 8 Refresh or try the Windows 8 Repair Install. I suggest you use Refresh (keeps your data and most settings and makes you reinstall software). Do the Refresh, Update Windows and then reinstall your software.
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McKnifeCommented:
John, "Refresh (keeps your data and most settings" is not quite right. Let me quote http://www.eightforums.com/tutorials/2293-refresh-windows-8-a.html
Which Settings will be NOT be Preserved

File type associations
Display settings
User settings
Windows Firewall settings
App settings
All installed 3rd party desktop programs (not Store apps). A list of removed apps will be saved on your desktop after the refresh is finished to let you know which programs were removed.
You PC settings will be changed back to their defaults.
Installed Windows Updates will be removed.
Some drivers may or may not be removed.
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JohnBusiness Consultant (Owner)Commented:
I have done a Refresh and while I understand what you quoted, a LOT of settings were indeed preserved. I was very happy with this. I have 200 GB of data and having that retained and many settings retained meant I could reinstall software very quickly.
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McKnifeCommented:
Do I have to explain my motivation? Ok: he seems to fear he will be losing things. Knowing this, a refresh is the last resort. a repair installation will lose nearly nothing. A refresh will (amongst other things) lose ALL user settings (if eightforums is right).
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JohnBusiness Consultant (Owner)Commented:
I have no objection to either approach. What we want is to fix the update.
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nobody40Author Commented:
I will try the repair installation today and let you know....fingers crossed
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