Win update Error number: 0x8024400E

Click Start, Choose Run.
In the Run box, type services.msc.
Click OK.
Right-click the Automatic Updates service.
Click Stop.
Rename the "SoftwareDistribution" folder:
a. Click Start, click Run, type %systemroot%, and then click OK.
b. Right-click the SoftwareDistribution folder, and then click Rename.
c. Type SoftwareDistribution.old, and then press ENTER to rename this folder.

Click Start. Choose Run.
In the Run box, type services.msc.
Click OK.
Right-click the Automatic Updates service.
Click Start.