When using some programs of tweaking or do some MODIFICATION The System (Gen. visual which do not belong Windows Vista), it is very likely that certain system files to undergo changes. Changes to system files (system files), most often lead to errors of the operating system or to errors of some applications. OS Vista Crash. Then you need Repair Windows Vista System Files.
Windows Vista offers you two or even three variants to restore system files. A version would be “System Restore”, but if you have not registered any restoration point (restore point) This utility cannot be used. In addition, with System Restore you will bring all the applications and settings of the system From a previous date, in which the registration was made “system restore”. Specifically, if you created a Restore Point at the beginning of Ianuare, and you want to use the Restore Point on March 10, all the settings and applications installed during January will be lost – March 10. It is advisable to create a Restore Point before each Software installation or modification of registers.
System File Checker (SFC) It is a much simpler and more efficient option for repairing the Windows Vista operating system. System File Checker only check system files, and if they appear corrupt files or lack, they will be restored.
Repair Windows Vista System Files [SFC – System File Checker / Fix Errors]
1. We open Command Prompt (cmd) with administrator privileges. (Run as Administrator)
2. In the Command Command, key ‘sfc‘ to see all the capabilities of this MS Tool.
Scans the integrity of all protected system files and replaces incorrect versions with correct Microsoft versions.
/SCANNOW : Scans integrity of all protected system files and repairs files with problems when possible.
/VERIFYONLY : Scans integrity of all protected system files. No repair operation is performed.
/SCANFILE : Scans integrity of the referenced file, repairs file if problems are identified. Specify full path <file>
/VERIFYFILE : Verifies the integrity of the file with full path <file>. No repair operation is performed.
/OFFBOOTDIR : For offline repair specify the location of the offline boot directory
/OFFWINDIR : For offline repair specify the location of the offline windows directory
In our case, the best indicated is “sfc /SCANNOW“.

3. At the end of the scan operation you will receive a report in which the corrupt files in your system are written will be saved in the system folder (eg. C:\Windows\Logs\CBS\CBS.log), and to dehydrate it is best to use Notepad or Wordpad.