Please try the following.
Download Windows Updates with PowerShell
1. Download
PSWindowsUpdate.zip from the following page to your desktop.
Script Windows Update PowerShell Module
2. Once it is downloaded,
right-click on the file, select
properties and check the
Unblock checkbox and click OK.
3.
Right-click the file again and chose
Extract...Keep the default path and ensure "
Show extracted files when complete" is checked and click the
Extract button.
4. A window will open and you will see a
folder named
PSWindowsUpdate.
5. Copy this folder and paste it into the followinig folder: C:\windows\system32\WindowsPowerShell\v1.0\Modules
6. Click Continue if a confirmation message comes up to continue with the copy.
7. Click your Start button and type Windows Powershell into the search box. Several results will come up. Right-click on the one named Windows Powershell ISE to select it and then at the bottom of the screen, click the Run as administrator icon. If a UAC prompt comes up, answer Yes to allow.
8. Once the powershell command prompt comes up, copy/paste the following into the command prompt and hit enter.
Set-ExecutionPolicy RemoteSigned
9. Answer Yes at the prompt that comes up.
10. Next, copy and paste the following into the powershell command-prompt and hit enter.
Import-Module PSWindowsUpdate
11. Next, copy and paste the following into the powershell command-prompt and hit enter.
Get-WUInstall
12. The rest should be automated with some prompts. For example after a while you will be asked to install the updates that were found. Please do so. You may also be asked to type
Y to reboot. If it does go ahead and do this when able.