- Use Script below in a Bat file and Administrator , then restart ( https://support.microsoft.com/en-ca/help/971058/how-do-i-reset-windows-update-components )
- https://gallery.technet.microsoft.com/scriptcenter/Reset-Windows-Update-Agent-d824badc
- Windows 7 and 2008 R2 systems (both 32bit and 64bit) https://support.microsoft.com/en-us/kb/3172605
- Windows 8.1 and 2012 R2 systems (both 32bit and 64bit) https://support.microsoft.com/en-us/kb/3172614
- Microsoft has also released a Windows Update for Windows 7 and 2008 R2 systems (both 32bit and 64bit)https://support.microsoft.com/en-us/kb/3050265
Use the System File Checker tool to repair missing or corrupted system fileshttps://support.microsoft.com/en-us/kb/929833
Run the Windows Update Troubleshooter https://support.microsoft.com/en-us/kb/2714434
Clear the following registry keys and restart the Windows Update Service
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
HKEY_LOCAL_MACHINE\SYSTEM\Internet Communication Management\Internet Communication
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WindowsUpdate
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\AU