Why do startup updates always fail on my computer?

Windows 7 Home Premium asks me to shut down and install updates on every shut down.

When it boots up, it says "Configuring your updates... 0%" and after about five minutes it changes to "Failed update, rolling back."

I can't find anywhere to cancel these updates so that they don't run.

Any ideas how to fix this?

Turn off updates:

Click Start, Choose Run.

In the Run box, type services.msc.

Click OK.

Right-click the Automatic Updates service.

Click Stop.

Then rename the “SoftwareDistribution” folder:

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

Run the Microsoft Fix it 50202 tool from Microsoft's website.

It is compatible with Windows 7.