Here is a program to help users with corrupt windows files..
This program will run System File Checker and DISM commands to repair an online Windows image
and will look for the setup media to use as a repair source

Step 1: Download and Extract > IMAGE_HEALTH.ZIP to a root drive (ie C:\Image_Health )
Step 2: Right-Click IMAGE_HEALTH.CMD > Select Properties > Select Unblock
Step 3: Insert your Windows Setup Media ( Mounted ISO or DVD or USB )
Step 4: Right Click on IMAGE_HEALTH.CMD and Run as Administrator

The Preferred Method Of Use Would Be To Select

Option 1 - /ScanHealth > if shows as Repairable,
then 
Option 2 - /RestoreHealth > if shows as missing source files,
then
Option 3 - /RestoreHealth /source

Note: Dism uses the component store as it's main source for Image Repair, so best to Select Option 2..
Before selecting Option 3 and redirecting the repair source, to the Windows Setup Media..

Option 4 > will analyze the component store, it will tell you if the store can be cleaned up - 
 
Option 5 > will cleanup (Remove) superseded windows files over 45 days old in the component store
 
Option 6 > will cleanup (Remove) ALL superseded windows files in the component store 
 
Option 7 > will run Revert Pending Dism Actions (UnLock, The Locked Disk Message)
 
Option 8 > will run System File Checker SFC /Scannow

Option 9 > will run Disk Cleanup Manager in Extended Mode

Option 10 > will run CheckDisk on a Volume, to scan for and fix disk errors..

Option 11 > will run ShowKeyPlus to retrieve windows product key

Option 12 > will export 3rd Party System Drivers into a "Drivers" folder
 
Option 13 > will run a MS Tool that will Automatically move all the User files from the Windows.old folder to the corresponding locations within your new Windows installation.


Note:
There are log files to help you and others troubleshoot DISM and SFC issues..
Those *.Log files will be created on your Desktop as *.txt files..
So you can post them easily in a forum..