How to use the System File Checker in Windows 7
System File Checker (SFC) is a utility will check the integrity of your Windows 7 Operating system. It will check for the damaged, corrupted or changed version of files and replace it with the original version of that file.
To use the System File Checker you need to have the elevated permission. Open the command prompt with elevated permission or you can see Administrator command prompt. Once the command prompt is opened you can see the title as
Administrator Command prompt
Type the below command to run the system file checker from the administrator command prompt
sfc / scannow
and hit the enter button to start the scan and the scan will check the windows system files, so it will take some time to complete. In the mean time it will show the percentage of completion. During the scan the sfc command will log the actions in CBS.Log file which you can find in Windows directory.
You can copy the log file to any directory from windows directory.
Check the below command to copy the log to the specified directory
findstr /c:"[SR]" %windir%\logs\cbs\cbs.log > C:\jktest\cbs.txt
Once the scan is completed it will show Windows Resource protection did not find any Integrity violations , otherwise if it shown that you have problem in the system and it could not able to fix the issue.