Good Day Boulaalam,
My name is Carlo, I'm an Independent Advisor and community member like you.
I am also using Windows 10. Let us work together to sort this out.
Here are the steps you can try.
-Click Start type CMD and run it as administrator
-Copy and paste the command below and hit enter
Sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
Once the scan is done proceed with the steps below.
Go to this link and download the Windows Update Agent.
https://gallery.technet.microsoft.com/scriptcen...
-Once you download the zip look for the folder ResetWUeng and drag it to your desktop.
-Go to your desktop, right click on the file and run it as administrator
-Press Y and enter to continue then choose number 2 to Reset the Windows Update components
Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Once done restart your device and try to install the update again.
If issue persist you can try to perform repair upgrade , this will re-install the Windows without affecting your files and apps. It will repair and replace any corrupted system files.
Step 1: Download Media Creation Tool from Microsoft.
https://www.microsoft.com/en-us/software-downlo...
Step 2: Run MediaCreationTool.exe.
Step 3: Choose "Upgrade this PC now".
Step 4: Select "Keep personal files and apps".
Step 4: Let it install
I hope the information above helps. Please let me know how it goes.
Have a wonderful day ahead and stay safe.
With Warm Regards,
Carlo T.