You can manually run this command by typing in Command Prompt. The System File Checker will notice you if there are corupted or deleted files and automatically replace them. It really kind of practical, because we don't need to use System Restore Features.
1. Ok, lets go! press Start button, type Command Prompt or right-click the Command Prompt shortcut
2. Select Run as Administrator
3. Once The Administrator Command Prompt window appears, run the following command
GOOD LUCK !