Win8.1 : Installation Failure: Windows failed to install the following update with error 0×80070003: Update for Windows (KB2919355) [SOLVED]

Error while updating Windows 8.1 to Windows 8.1 update1 (8.1.1).

Today I wanted to update a Windows 8.1 workstation to 8.1 update 1.

I used the method noted on this site :

How to download and install Windows 8.1 Update 1

http://www.extremetech.com/computing/178091-how-to-download-and-install-windows-8-1-update-1-for-free-right-now

(thanks for that !)

Read more... Win8.1 : Installation Failure: Windows failed to install the following update with error 0×80070003: Update for Windows (KB2919355) [SOLVED]