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Question: What does "This device cannot start. (Code 10)" mean? What is happening?

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If the device has a FailReasonString value in its hardware key, that string appears as the error message. The driver or enumerator puts this registry string value there. If there is no FailReasonString in the hardware key, you receive the following error message:

This device cannot start. (Code 10)

:

Device failed to start. Click Update Driver to update the drivers for this device. On the General Properties tab of the device, click Troubleshoot to start the Troubleshooting Wizard.

For more information about Code 10-related errors , click the following article number to view the article in the Microsoft Knowledge Base:

http://support.microsoft.com/kb/943104/ This link contains more info on error code 10.

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