Microsoft KB Archive/255817

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May Not Be Able to Open Some Mixed-Format Enhanced CD-ROMs in Windows Explorer


The information in this article applies to:

  • Microsoft Windows 2000 Professional


Windows Explorer may not be able to read some enhanced CD-ROMs that contain both music tracks and computer data. Attempting to open such a CD-ROM may generate any of the following error messages:

  • Drive letter:\ is not accessible. The parameter is incorrect.
  • Drive letter:\ is not accessible. The file or directory is corrupt and non-readable.

You can play the music tracks on these CD-ROMs using CD Player with no problem.


CD-ROMs that generate these error messages generally are not created using the Bluebook industry standard. These CD-ROMs can encode data into the music portions of the CD-ROM, which Windows Explorer is unable to interpret. Windows Explorer is not designed to read CD-ROMs that do not adhere to the Bluebook standard.

Additional query words:

Keywords : kbenv kberrmsg KBW2KHOME
Issue type : kbinfo
Technology : kbwin2000Search kbwin2000ProSearch kbwin2000Pro

Last Reviewed: October 24, 2000
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