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I'm having trouble installing the latest Windows 8.1Update. I get a different 'missing file' number each time I try.
2014-04-20 07:57:10
Open Windows Update Center click View Update History, there is an option Troubleshoot Problems With Installing Updates.Error 0x80071a91 when installing update 2919355 in Windows http://support.microsoft.com/kb/2939087/en-usWindows 8.1 Update 1 Failing to Install with errors 80070020, 80073712 and 0x800f081f http://answers.microsoft.com/en-us/windows/forum/windows8_1-windows_update/windows-81-update-1-failing-to-install-with-errors/c3071122-e903-4775-b659-e98784bc786c?page=20try the solutions in this page