The Recovery Console is a command-line-based, advanced diagnostic feature available in some older versions of the Windows operating system.
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The Recovery Console can be used to troubleshoot a number of major system problems, but it is especially useful for repairing or replacing critical operating system files.
When these files are not working as they should, sometimes Windows will not boot at all. In these cases, you need to run this tool to recover the files.
The Recovery Console is available in Windows XP, Windows 2000, and Windows Server 2003.