Built-in Windows Error Checking

Run Windows Health Checkers

If you are facing different kind of errors daily like unavailability of DLL files and programmes are not loading properly and you are getting different kind of messages for this you can remove this error with System File checker and Signature verification.

Just open Run and write sfc /scannow and press Enter. This will check all important files of windows and if there is problem so this will ask you for Windows CD or DVD. If its not possible to system file checker so it tell you with message that it will do it after restart of computer.

Second built-in program of windows is signature verification.Same as before open Run command and write sigverif and press  Enter.After program starting click on start and program will began to scan electric signatures of files.