01.  Close all programs.
02.  Click Start.
03.  Click Run.
04.  Type "sfc" (without comiles) and click OK.
05.  Will open System File Checker, click in Start.
06.  If it finds some file damaged, it will show another window to him.
07.  Choose the option Restore file and click in OK.
08.  In the row Restore From,  Click in Browse.
09.  Select to the CD of installation or the folder where it made a copy of this .
10.  Click OK, OK.
11.  A called window Backup File will be opened, Click in Skip.
12. The tester will replace the damaged file and will continue with the analysis.
13.  Make the passages from the 7 to the 10 with all the damaged archives.