Windows Update Error 80071A91

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  You can try to run the Windows Update automated troubleshooter.

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

  
  

  • Edited by T. Kujala Tuesday, September 10, 2013 5:16 PM

  Tuesday, September 10, 2013 5:16 PM
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  Hi,

  Could you let us know the exact errror message? Which update did you attempt to install?

  Besides the method provided by the T.kujala, we also could try the following methods:

  Unable to install updates in Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2

  http://support.microsoft.com/kb/2509997

  Troubleshoot problems with installing updates

  http://windows.microsoft.com/en-us/windows7/troubleshoot-problems-with-installing-updates

  ---

  Karen Hu
  TechNet Community Support

  

  • Marked as answer by Karen Hu Tuesday, September 17, 2013 1:18 AM

  Wednesday, September 11, 2013 7:42 AM