PRROFING WINDOWS ERROR error checking can be schelude to run your pc routenely and you can repair sectors on your hard drive with this reactions. -CDM -SEC.EXE/SCANNOW
operating system control software and hardware some comands : cd.. (exit) dir (see files) exe files each office program powerpoint: powerpnt.exe power point viewer: pptview.exe word: winword.exe excel: excel.exe outlook: outlook.exe accsess: msaccess.exe winver (windows 10) in on the usb (D:) (F:)