Description of ScanDisk for Windows (Scandskw.exe) in Windows 98/Me

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Article ID: 186365
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Summary

This article describes the ScanDisk for Windows tool included with Microsoft Windows 98, Windows 98 Second Edition, and Windows Millennium Edition (Me).

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When you use the ScanDisk for Windows (Scandskw.exe) disk-checking and repair tool, you can check the integrity of your media (which includes hard disks and floppy disks), and repair most problems that may occur.

NOTE: Windows 98 and Windows 98 Second Edition start ScanDisk for MS-DOS (Scandisk.exe) automatically when the operating system is shut down improperly or your disk contains a critical error. Windows Me starts ScanDisk for Windows (Scandskw.exe) automatically when the operating system is shutdown mproperly or your disk contains a critical error. For additional information, please see the following article in the Microsoft Knowledge Base:
152404 ScanDisk Runs After Improper Shutdown or Hard Disk Error
When you use ScanDisk for Windows (Scandskw.exe), the following configuration settings are available:

Type of Test

  • Standard: Use this option to check files and folders for errors.
  • Thorough: Use this option to perform the Standard test and also scan your disk for physical errors. ScanDisk may take a long time to check your disk for errors depending on the size of your disk. If you use the Thorough option, the following ScanDisk configuration settings are available when you click Options:

    Areas of the Disk to Scan:

    If you want use ScanDisk to check your entire disk for physical damage, including both its system and data areas, click System And Data Areas. If you want ScanDisk to check only the system area on your disk, click System Area Only. Errors in the system area of your disk may indicate that your disk needs to be replaced. ScanDisk usually cannot repair errors in the system area. If you want ScanDisk to check only the data area of your disk, click Data Area Only.

    Additional Surface Scan Features:

    If you do not want ScanDisk to verify that sectors can be read from and written to on your disk, click the Do Not Perform Write-Testing check box to select it. If you do not want ScanDisk to repair hidden and system files on your disk, click the "Do not repair bad sectors in hidden and system files" check box to select it.

ScanDisk Advanced Options

When you click Advanced, the following configuration settings are available:
  • Display Summary: You can use ScanDisk to display a summary each time ScanDisk finishes checking your disk. The summary provides information about the disk and displays whether ScanDisk detected or repaired any errors. If you want to display the summary each time ScanDisk finishes checking your disk, click Always. If you do not want ScanDisk to display the summary after checking your disk, click Never. If you want to display the summary only when ScanDisk locates errors, click Only If Errors Found.
  • Log File: You can use ScanDisk to store a history of ScanDisk events in a log file named Scandisk.log. If you want to replace the Scandisk.log file each time ScanDisk is used, click Replace Log. If you want to save information in the Scandisk.log file each time ScanDisk is used, click Append To Log. The Scandisk.log file is stored in the root folder of your hard disk. You can view the Scandisk.log file with any text editor (such as Notepad). If you do not want ScanDisk to create a log file, click No Log.
  • Cross-linked Files: You can use ScanDisk to locate cross-linked files. A cross-link occurs when two or more files use the same cluster (area of a disk) at the same time. If you want ScanDisk to remove any cross-linked files it locates on your disk, click Delete. If you want ScanDisk to make separate copies of the cross-linked files in separate locations on your disk, click Make Copies. If you do not want ScanDisk to detect cross-linked files on your disk, click Ignore.
  • Lost File Fragments: You can use ScanDisk to detect file fragments that are not in use by programs. File fragments are parts of files on your disk that were lost by a program. If you want ScanDisk to remove file fragments to recover space on your disk, click Free. If you want Scandisk to save file fragments, click Convert To Files. When you save file fragments to your disk, the file fragments are converted to file names such as File0000.chk and are stored in the root folder of your disk. You can use any text editor (such as Notepad) to view the saved file. This file may or may not contain any useful information.
  • Check Files For: You can use features included with ScanDisk to verify file names, file dates and times, and locate duplicate files on your disk. If you want to locate files on your disk that may contain invalid names, click the Invalid File Names check box to select it. If you want to locate files that may have invalid dates and times, click the Invalid Dates And Times check box to select it. If you want to locate duplicate files on your disk, click the Duplicate Names check box to select it.
  • Additional ScanDisk Features:

    • Check Host Drive First: Errors on a compressed drive are often caused by errors on its host drive. By default, ScanDisk for Windows scans the host drive before scanning the compressed drive. To prevent ScanDisk for Windows from checking host drives first (not recommended), click the "Check host drive first" check box to clear it.
    • Report MS-DOS Mode Name Length Errors - MS-DOS does not allow paths to files or folders to be longer than 66 characters. By default, ScanDisk for Windows does not check for MS-DOS mode name length errors. To force ScanDisk for Windows to detect these errors, click the "Report MS-DOS mode name length errors" check box to select it. This causes ScanDisk for Windows to detect folders that cannot be opened in MS-DOS mode because the MS-DOS patch is longer than 66 characters. If you have not selected the Automatically Fix Errors check box, ScanDisk for Windows prompts you to ignore this error and continue, repair the error by moving the folder, or delete the affected folder. Note that the default action (regardless of whether the Automatically Fix Errors check box is selected) is to ignore this error and continue. For additional information about this issue, please see the following article in the Microsoft Knowledge Base:
      132883 Err Msg: Drive C Contains Errors That Must Be Corrected...

Automatically Fix Errors

If you want ScanDisk to repair most errors automatically without any prompts, click the Automatically Fix Errors check box to select it.

How to Run ScanDisk

To start ScanDisk, use the following steps:
  1. Click Start, point to Programs, point to Accessories, point to System Tools, and then click ScanDisk.
  2. Select the options and features you want to use, and then click Start.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

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Article ID: 186365 - Last Review: June 22, 2014 - Revision: 2.0
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