Run the Update Troubleshooter

1. Go to Settings. Head over to Updates & Security > Troubleshoot. Select Windows Update, and go to Run the Troubleshooter.

2. Follow further on-screen instructions and let the process finish.

3. Restart your computer.

Restart Windows Update components

1. Start Command Prompt as administrator.

2. When Command Prompt starts, run the following commands:

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

C:\Windows\SoftwareDistribution SoftwareDistribution.old

ren ren C:\Windows\System32\catroot2 catroot2.old

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

Manually Update Windows 10

1. Open page microsoft.com   from Browser

2. Click update now to download Update Assistant

3. Install the file and run it