Some Windows 10 info
Settings - Update history:
Click the Windows start button in the taskbar or press the Windows key on your keyboard.
Click Settings.
Click Update & security.
Click Advanced options.
Click View your update history.
Troubleshoot Windows Update
http://windows.microsoft.com/en-us/windows-10/windows-update-troubleshooter
WindowsUpdateDiagnostic.diagcab
How to use WindowsUpdateDiagnostic.diagcab: Just run the file.
Step by step instructions to get the issue fixed.
a) Press Windows key + X and select Command Prompt (Admin).
b) On the open Command Prompt window copy and paste the commands (all at once)
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
c) Wait for the process to complete.
d) Close the Command Prompt.
Now, try to install Windows Updates again and check if it helps.
http://www.thewindowsclub.com/windows-update-stuck-downloading-updates
Open Command Prompt (Admin). Type the following one after the other and hit Enter:
net stop wuauserv
net stop bits
Next browse to the C:\Windows\SoftwareDistribution folder and delete all the files and folders inside.
Press Ctrl+A to Select All and then Delete.
If the files are in use, and you are unable to delete some files, restart your device. After rebooting,
run the above commands again. Now you will be able to delete the files from the mentioned Software
Distribution folder.
After you have emptied this folder, you may restart your computer or you may type the following commands
one at a time in the CMD, and hit Enter to restart the Windows Update related Services.
net start wuauserv
net start bits
Run Windows Update again.
Windows 10 cannot open Start Menu, Action Center, Metro App
C:\WINDOWS\system32>sfc /scannow
I ran the powershell command using administrator privileges found on superuser.com:
Get-AppxPackage | % { Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppxManifest.xml" -verbose }