Hi Hesam
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
Check your hard disk for any errors:
Click Start
Type: CMD, from the results, right click Command prompt
Click 'Run as Administrator'
At the Command Prompt, type: chkdsk /r /f
Hit Enter
When you restart your system, your computer will be scanned for errors and attempts will be made to correct them.