Windows update not updating
If this problem affects you, we've outlined some help below alongside solutions to the most common Windows Update problems.
But just like any other Windows release, this upgrade came with many problems and bugs which forced some people to either roll back to older version of Windows or not upgrading at all. For the very first time, you couldn’t stop Windows 10 from downloading updates and there were some other glitches in Windows Update which stopped it from working correctly.
If the files can’t be deleted because they're in use, you’ll need to restart your PC. These are generic errors that might appear any time a Windows update fails.
Turn off the two Windows Update services and then try to delete the files again. Find the error code for the failed update by viewing your update history.
Whether it fixes your problem or not but it can surely identify and provide you with the useful information regarding the problem.
If Windows Update is not working, System Restore might be the best way to fix it.
Next, you’ll need to delete the files in C:\Windows\Software Distribution. This error might mean your PC couldn't connect to the Windows Update servers.