Microsoft KB Archive/282500

= How to Troubleshoot a &quot;STOP 0x0000005D UNSUPPORTED_PROCESSOR&quot; Error Message =

Article ID: 282500

Article Last Modified on 3/2/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Datacenter Server

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This article was previously published under Q282500



SYMPTOMS
While you are using a computer that is running Windows 2000, you may receive the following error message:

STOP: 0x0000005D (parameter, parameter, parameter, parameter)

UNSUPPORTED_PROCESSOR



CAUSE
This behavior can occur if there is a processor present that is not supported. The error message that is mentioned in the &quot;Symptoms&quot; section of this article is a Windows 2000 Executive character-mode STOP message.



RESOLUTION
To resolve this behavior, use one or more of the following methods:  If this is the first time that you have started the computer after installing new hardware, remove the hardware and boot again. View the following Microsoft Hardware Compatibility List Web site to verify that the hardware and its drivers are compatible with Windows 2000:

http://www.microsoft.com/whdc/hcl/default.mspx

For information about the hardware, contact the hardware manufacturer. If you are installing Windows 2000 for the first time, view the Windows 2000 requirements, including the amount of RAM and disk space that are required to load the operating system. If Windows 2000 is loaded and no new hardware has been installed, reboot with recovery options set to create a dump file. If the message continues to appear, select the Last Known Good option when you reboot. If there is no Last Known Good configuration, try to use the Emergency Repair Disk (ERD). If you do not have an ERD, contact your technical support group.For additional information about the Last Known Good configuration and other Windows 2000 boot options, click the article number below to view the article in the Microsoft Knowledge Base:

202485 Description of Safe Boot Mode in Windows 2000

For additional information about ERDs, click the article number below to view the article in the Microsoft Knowledge Base:

231777 How to Create an Emergency Repair Disk in Windows 2000



Keywords: kbenv kberrmsg kbprb kbsetup KB282500

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