1) Make sure the Windows Update service is running:
Click the Start Button, in Start Search box, type: "services.msc" (without quotes) and press Enter.
Double click the service "Windows Update".
Click on the "General" tab; make sure the "Startup Type" is "Automatic" or "Manual". Then click the "Start" button under "Service Status" to start the service.
Repeat the above steps with the "Background Intelligent Transfer Service" service.
2) Rename the Software Distribution folder:
Click the Start Button, click "All programs", and click "Accessories".
Right-click "Command Prompt", and click "Run as administrator".
In "Administrator: Command Prompt" window, type in "net stop WuAuServ" (without the quotes) and press Enter.
Click the Start Button, in the "Start Search" box, type in "%windir%" (without the quotes) and press Enter.
In the opened folder, look for the folder named "SoftwareDistribution".
Right-click on the folder, select Rename and type "SDold" (without the quotes) to rename this folder.
While still in the "Administrator: Command Prompt" window, type the command "net start WuAuServ" (without the quotes) in the opened window to restart the Windows Updates service.