SQL server 2012 Install/Update Failure - 84B20001

When trying to update SQL Server 2012 with the patch KB2716442 (Windows 8) I was not able to solve the issue 84B20001. Going on http://support.microsoft.com/kb/2716442 I was not able to solve the issue neither so I wanted to share how I solved this issue.     To solve the issue type “Regedit” in your start menu. UPDATE…

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