You need to install the April 2015 servicing stack update for Windows 7 and Windows Server 2008 R2 before installing the Convenience Rollup
https://technet.microsoft.com/en-us/library/cc720477%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396 The wuauclt Utility /a /ResetAuthorization Initiates an asynchronous background search for applicable updates. If Automatic Updates is disabled, this option has no effect. /r /ReportNow Sends all queued reporting events to the server asynchronously. /? /h /help Shows this help information.
https://support.microsoft.com/en-us/kb/3050265 Fixes included in this update This update addresses an issue in which system performance can be decreased during scans. This issue has the greatest effect on computers that have a small amount of physical memory. This update addresses an issue in which Windows Update scans can fail and generate a 0x8007000E error. General improvements are… Read More »