Reboot the system and run the System File Checker.
- Click the Start button and in the search box, type Command Prompt
- When you see Command Prompt on the list, right-click on it and select Run as administrator.
- When command prompt opens, copy and paste the following command into it, and press enter.
Code:sfc /scannow
- Take a screenshot of the commandprompt window and paste it into your next reply.