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Thread: Verify / Repair the protected system files of Windows

  1. #1
    Join Date
    Mar 2008
    Posts
    201

    Verify / Repair the protected system files of Windows

    After installing or uninstalling a program, protected system files of Windows can be modified or deleted. Missing a file system can lead to many failures and find such a file can be difficult. Fortunately, Windows XP and Vista includes a utility called System File Checker (SFC) to check the system files and if one is damaged or missing, the utility is responsible to replace the original that is CD in your Windows installation.

    Click "Start", "Run ..." then type "sfc /scannow"

    If the SFC utility is a system file missing or damaged, the installation CD of Windows may be requested.

  2. #2
    Join Date
    May 2008
    Posts
    188

    Re: Verify / Repair the protected system files of Windows

    In addition, other commands exist for the use of SFC:
    • sfc /scanonce: check all protected system files once at the next reboot
    • sfc /scanboot: check all protected system files on every boot
    • sfc /revert: Get the scan to the default settings
    • sfc /purgecache: Empty the cache files and verify protected system files immediately
    • sfc /cachesize = X: Sets the size of the cache files (where X is a value)

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