There have been issues reported where the installation of April 2013 CU for SharePoint 2013 fails with the following error: “The installation of this package failed” If you navigate to the temp file location (open windows explorer and type %tmp% in the address bar) and open the log file, “OPatchInstall(1).log”, located in %Userprofile%\AppData\Local\Temp\2 folder, you…