sfc: Microsoft(R) Windows XP Windows File Checker .......


... The examples for the command "sfc"
... "sfc" Excerpt from Microsoft Windows Help
... Important information, tips for the "sfc" command

The command: "sfc" is on Windows 11, 10, .. available

The examples for the command "sfc"

Here are detailed technical descriptions for examples of the `SFC` (System File Checker) command: Example 1: Check and restore system files:

SFC /scannow

- `SFC /scannow`: This command is used to scan the system for corrupted or missing system files and restore them if necessary. - The command starts a comprehensive scan of all protected system files and tries to replace corrupted versions with correct copies from the Windows installation directory. Example 2: Check and restore system files with specific path:

SFC /scanfile=C:\Windows\System32\example.dll

- `SFC /scanfile`: This command allows scanning and restoring a single file (for example "example.dll") without the full system scan. - The specified file path indicates the file to be checked and, if necessary, restored. Example 3: Check and restore system files from a specific backup catalog:

SFC /restorehealth

- `SFC /restorehealth`: This command is used to restore corrupted system files from a backup catalog (usually on the Windows installation DVD). - The command attempts to repair the system using saved information from a restore point. Example 4: Check and restore system files with logging:

SFC /scannow /log=C:\SFC-Log.txt

- `SFC /scannow`: This command performs a scan and restore of system files. - `/log=C:\SFC-Log.txt`: The parameter specifies that a log of the check is created in the specified text file. This can be useful for monitoring and analyzing the results of the review. Example 5: Check and restore system files with offline image:

SFC /scannow /offbootdir=C:\ /offwindir=D:\Windows

- `SFC /scannow`: The command starts scanning and restoring system files. - `/offbootdir=C:\`: Specifies the drive where the system partition is installed. - `/offwindir=D:\Windows`: Specifies the directory where Windows is installed. This can be useful if the system being checked is not the currently booted system. Example 6: Verify and Restore Specific Files with Retry:

SFC /scanfile=C:\Windows\System32\example.dll /offwindir=C:\Windows /offbootdir=C:\ /scanfileonce

- `SFC /scanfile`: This command scans and attempts to restore the specified file. - `/offwindir=C:\Windows`: Specifies the directory where Windows is installed. - `/offbootdir=C:\`: Specifies the drive where the system partition is installed. - `/scanfileonce`: The parameter ensures that the specified file is only scanned once. These examples provide various use cases of the `SFC` command, from system-wide scanning to targeted scanning and recovery of specific files. It is important to choose the appropriate options based on the specific needs and problems. It is important to note that the `SFC` command requires elevated privileges. Therefore, Command Prompt should be run as administrator. The `SFC` command can be used for troubleshooting and maintaining the Windows operating system, especially when problems arise with corrupted system files.

"sfc" Excerpt from Microsoft Windows Help

Microsoft Windows [Version 10.0.19045.3693]
(c) Copyright 1985-2023 Microsoft Corp.

C:\\WINDOWS>


Microsoft(R) Windows XP Windows File Checker Version 5.1
(C) 1999-2000 Microsoft Corp. All rights reserved

Scans all protected system files and replaces incorrect versions with correct 
Microsoft versions.

SFC [/SCANNOW] [/SCANONCE] [/SCANBOOT] [/REVERT] [/PURGECACHE] [/CACHESIZE=x]


/SCANNOW        Scans all protected system files immediately.
/SCANONCE       Scans all protected system files once at the next boot.
/SCANBOOT       Scans all protected system files at every boot.
/REVERT         Return scan to default setting.
/PURGECACHE     Purges the file cache.
/CACHESIZE=x    Sets the file cache size.

Important information, tips for the "sfc" command

Yes, there are some important points to pay attention to when using the `SFC` (System File Checker) command: 1. Admin rights: - The `SFC` command requires administrative privileges to function properly. Make sure you open Command Prompt as administrator by right-clicking the icon and selecting "Run as administrator." 2. Runtime and Patience: - Checking and restoring system files may take some time depending on system performance. Allow the command to complete before performing any further actions. 3. Integrity Violations: - If the `SFC` command finds and repairs integrity violations, you should reboot the system to ensure that the changes take effect. 4. Correct parameter usage: - Be sure to use the correct parameters for your specific use case. For example, `/offwindir` and `/offbootdir` can be useful when running the command on a non-booting system. 5. Logging and Analysis: - Use the ability to create a log of the review (`/log` parameter). This log can be useful for obtaining detailed information about problems found. 6. Current backups: - It is always advisable to create recent backups before running the `SFC` command or making any other system changes. Although `SFC` is designed to repair corrupted files, it is better to be safe than sorry. 7. Have recovery media ready: - If the problem is severe, it may be helpful to have installation or recovery media available to recover corrupted files. 8. Current operating system: - Make sure your operating system is up to date. Sometimes system file problems can be caused by missing updates. By paying attention to these aspects, you can ensure that the `SFC` command is executed effectively and safely. It is a useful tool for troubleshooting system file issues on Windows operating systems.


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The command sfc - Microsoft(R) Windows XP Windows File Checker .......

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