Fixes for Windows 8.1 Update 1 failures

There has been a few issues with Windows 8, Update 1.

Before I begin, this update is mandatory. Without this update, you will not receive future updates as of this month.

If you receive error 0x80071a91, download the update KB2939087 which will fix the problem. Then try again.

If you receive any of the errors 0x80070020, 0x800f081f, or 0x8007312 then this is a problem within Windows 8.1 [i.e. the problem was there before trying to install the update]. You will need to follow this procedure:

sfc /scannow

  • Remove KB2919355 package:

dism /online /remove-package /packagename:Package_for_KB2919355~31bf3856ad364e35~amd64~~

  • Clean up the WinSxS folder:

dism /online /cleanup-image /startcomponentcleanup /resetbase

  • Clean up disk with system files remove:


  • Restart computer.
  • Run offline installer:


You may be able to trim the fixing time by just doing both dism commands and then re-run the update but I’d go for all steps to be safe.

See here for reference.
[Update 2014/05/06:] Microsoft has re-released the KB2919355 yesterday following some minor issues.


About ebraiter
computer guy

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