Presuming : you downloaded this update through Window Updates and not manually

Remove Window Update downloads from the temporary folder:-

1.Stop the Automatic Updates service (Click Start, Choose Run.
In the Run box, type services.msc.Click OK.Right-click the Automatic Updates service.Click Stop.Stopping the service will take a moment.)

2.Delete the contents of the Download folder(Click Start. Choose Run.In the Run box, type %windir%\SoftwareDistribution
Click OK.Open the Download folder. Delete all contents of the Download folder.Close the window.)

3.Start the Automatic Updates service(Click Start. Choose Run.
In the Run box, type services.msc.Click OK.Right-click the Automatic Updates service.Click Start.Starting the service will take a moment.)

By deleting the contents of the Download folder - you have removed any downloaded updates.

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