Applies ToWindows 7 Starter Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Ultimate Windows 7 Enterprise Windows Server 2008 R2 Web Edition Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter Windows Server 2008 R2 for Itanium-Based Systems Windows HPC Server 2008 R2

Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.

Symptoms

You have a computer that is running Windows 7 or Windows Server 2008 R2. However, the computer crashes during the startup process before you are prompted for user credentials. Additionally, you receive a Stop error message that resembles the following:

STOP: 0x0000006B (Parameter1, Parameter2, Parameter3, Parameter4)PROCESS1_INITIALIZATION_FAILED

Note The four parameters in the Stop error message may vary, depending on the configuration of the computer.

Cause

This issue occurs because the Bootcat.cache file is corrupted or because the size of the Bootcat.cache file is changed since the last successful start.Note The Bootcat.cache file is located at %SystemRoot%\system32\codeintegrity.

Resolution

To resolve this problem, apply Service Pack 1 for Windows 7 and for Windows Server 2008 R2. Microsoft provides no supported hotfix for this problem. For more information about this service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2  

Workaround

To work around this issue, start the computer from the disc drive or from the USB drive by using the Windows installation media. Delete the Bootcat.cache file, and then restart the computer.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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