The System File Checker or sfc.exe is a utility inwards Microsoft Windows located in C:\Windows\System32 folder. This utility allows users to scan for in addition to restore corrupt Windows organization files. In this post, nosotros volition meet how to run System File Checker in addition to also meet how to analyze SFC logs.
Run System File Checker
In Windows 10/8/7/Vista, the System File Checker is integrated amongst Windows Resource Protection, which protects registry keys in addition to folders every bit good every bit critical organization files. If whatsoever changes are detected to a protected organization file, the modified file is restored from a cached re-create located inwards the Windows folder itself.
So if at whatsoever dot of fourth dimension if y'all discovery that y'all convey hacked to a greater extent than or less organization files or mayhap applied to a greater extent than or less tweaks or replaced organization files, mayhap spell customizing your Windows, in addition to y'all directly discovery that your Windows is non working properly, y'all may desire to catch running this utility first, earlier trying a System Restore. To produce so, y'all volition convey to get-go opened upward an elevated ascendence prompt window.
To run the System File Checker inwards Windows 10/8/7, type cmd inwards the Start search box. In the result, which appears, correct click on cmd in addition to pick out Run As Administrator.
If y'all produce non run the Command Prompt every bit Administrator, y'all volition meet a message:
You must endure an administrator running a console session inwards monastic enjoin to role the sfc utility
Hence it is imperative that y'all produce so.
Run sfc /scannow
In the ascendence prompt window which opens, type sfc /scannow in addition to hitting Enter.
The sfc utility volition run for a spell in addition to if whatsoever corruptions are found, supercede them on reboot.
Windows Resource Protection could non perform the requested Service or Start the Repair Service
In example y'all are unable to start the System File Checker, in addition to y'all instead become the “Windows Resource Protection Could Not Start the Repair Service” error, y'all may desire to depository fiscal establishment fit upward if your Windows Modules Installer service has been Disabled. To produce so, type services.msc inwards start search in addition to hitting Enter. The condition of this service should endure laid to Manual.
Alternatively, y'all tin also download our real useful freeware utility FixWin in addition to click on the System File Checker Utility button. This volition run sfc.exe.
While running this tool, at the cease of the scan, y'all may meet whatsoever of these messages – to a greater extent than or less of which could signal errors: They could be:
- Windows Resource Protection did non discovery whatsoever integrity violations
- Windows Resource Protection flora corrupt files in addition to successfully repaired them
- Windows Resource Protection flora corrupt files but was unable to ready to a greater extent than or less of them
- Windows Resource Protection could non perform the requested operation
- System File Checker SFC cannot repair corrupted fellow member file
- Windows Resource Protection flora corrupt files but was unable to ready to a greater extent than or less of them
- System File Checker non working, volition non run or could non repair
- Windows Resource Protection could non start the repair service.
If this happens, y'all may endeavour to Run System File Checker inwards Safe Mode or repair the Windows Component Store using DISM in addition to meet if it works.
Read: DISM vs SFC first? What should I run get-go on Windows 10?
Run System File Checker Offline or inwards Safe Mode or Boot Time
Simply kicking into Safe Mode in addition to follow the same procedure. System File Checker volition run inwards Safe Mode too.
The /scanonce in addition to /scanboot syntax convey been discontinued after Windows XP in addition to does non operate on Windows 8 in addition to later.
Follow this physical care for if y'all desire to run System File Checker inwards Safe Mode, Boot Time or Offline.
You tin also role the sfc.exe programme to assistance y'all troubleshoot crashes that occur inwards the user manner business office of Windows 10, Windows 8.1, Windows vii & Vista. These crashes may endure related to missing or damaged operating organization files. To produce so, y'all may convey to access the log files.
Read: How to scan & repair a unmarried file using System File Checker.
How to thought the SFC log file
The sfc.exe programme writes the details of each verification functioning in addition to each repair functioning to the CBS.log file. Each sfc.exe programme entry inwards this file has a [SR] tag. The CBS.log file is located inwards the %windir%\Logs\CBS folder.
You tin search for [SR] tags to assistance locate SFC.exe programme entries. To perform this sort of search in addition to to redirect the results to a text file, follow these steps:
Click Start, type cmd inwards the Start Search box, right-click cmd inwards the Programs list, in addition to and then click Run every bit administrator.
Type the next command, in addition to hitting Enter:
findstr /c:"[SR]" %windir%\logs\cbs\cbs.log >sfcdetails.txt
The sfcdetails.txt file includes the entries that are logged every fourth dimension that the SFC.exe programme runs on the computer.
How to translate the SFC log file entries:
The sfc.exe programme verifies files inwards groups of 100. Therefore, at that topographic point volition endure many groups of SFC.exe programme entries. Each entry has the next format: date fourth dimension entry_type details. For to a greater extent than details on how to interpret, see KB928228.
TIP: Windows Software Repair Tool from Microsoft volition repair organization components in addition to discovery corrupt files, resync System appointment in addition to Time, reset System Settings, reinstall System Applications in addition to run the DISM Tool to repair organization image, amongst a click.
This postal service volition exhibit y'all how to manually replace a corrupted unmarried Windows organization file amongst a known proficient re-create of the file if the System File Checker is non working.
Source: https://www.thewindowsclub.com/
comment 0 Comments
more_vert