Troubleshoot: Windows could not start because the following files is missing or corrupt: \Windows\System32\Config\System

What would you do after you did something to your computer maybe install or uninstall any applications then restart your pc after you see this error msg:"Windows could not start because the following file is missing or corrupt: \Windows\System32\Config\System"Don't worry or panic. Just follow this step bellowOption 1: Using CHKDSK command1. boot your computer using cd windows2. Select "Recovery