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Fatal Error Solutions

A clock interrupt was not received on a...

STOP: 0x00000101


There is a hardware problem or a device driver has a bug.

Some older versions of Windows may show the description as "CLOCK_WATCHDOG_TIMEOUT".

This is a fatal Windows error, typically called a Stop message, Bug Check, or more commonly the Blue Screen of Death (BSoD). The system is in a forced reboot state. Any unsaved work is likely lost.

  Sample Screen  

A problem has been detected and Windows has been shut down to prevent damage to your computer.

A clock interrupt was not received on a secondary processor within the allocated time interval.

If this is the first time you've seen this Stop error screen, restart your computer. If this screen appears again, follow these steps:

Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manufacturer for any Windows updates you might need.

If problems continue, disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use Safe Mode to remove or disable components, restart your computer, press F8 to select Advanced Startup Options, and then select Safe Mode.

Technical Information:

*** STOP: 0x00000101

Beginning dump of physical memory
Physical memory dump complete.

Contact your system administrator or technical support group for further

Text may appear differently depending on where the error occurs.
Additional technical information (hex values) specific to a machine are not shown.
  Key Facts  
Full Title
  A clock interrupt was not received on a secondary processor within the allocated time interval. 

Stop Code


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  Vista, 2008, 7, 8

  Microsoft Corporation
  Solutions and Fixes  
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Fix Defective Hardware
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Confirm the hardware is working correctly using a hardware diagnostic program. If you suspect a specific hardware item, such as memory stick or video card, try replacing it with known good hardware.

Don't overlook the possibility that hardware was not installed correctly, especially anything you installed just prior to the problems starting. Make sure all cards and memory are securely seated in their slots. Verify disk drive cables are properly connected and are not loose.

Several software products that offer an extensive range of hardware diagnostics includes Fix-It Utilities Professional and SystemSuite Professional. Other diagnostic products include Eurosoft's PC Check and Iolo's System Mechanic.

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  FaultWire Staff
Posted: 5-Oct-2008
Get the Latest Updates
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Install the latest Windows software updates. Don't forget to check for non-critical updates too!

To manually get updates, open Internet Explorer (you can't use a non-Microsoft browser for updates).

For IE 8 and later: Click on Safety, then Windows Update. Follow the instructions.


For IE 7 and older: Click on Tools, then Windows Update. Follow the instructions.

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  FaultWire Staff
Posted: 5-Oct-2008
Get the Latest Drivers
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Check if you are using the latest hardware drivers, especially the chipset and video drivers. Older drivers are a common contributor to BSoD issues.

You can use a product like Driver Genius or Radar Sync to verify you have the latest drivers and help keep all your drivers up-to-date. If you're comfortable with driver installations, you can individually find and install current drivers.

A some of the most popular driver download sites:

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  FaultWire Staff
Posted: 5-Oct-2008

Also see our list of common Fatal Error Solutions.

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Check out what others say about this issue and review or add your own comments and solutions!

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  Technical Details  
  technical details

An expected clock interrupt on a secondary processor, in a multi-processor system, was not received within the allocated interval. This can occurs when the processor is not responding or is deadlocked.

After the Stop code will be 4 hex values: {Parameter 1, Parameter 2, Parameter 3, Parameter 4}.

Parameter 1 specifies the clock interrupt time-out interval, in nominal clock ticks.

Parameter 2 is set to 0.

Parameter 3 specifies the address of the processor control block (PRCB) for the unresponsive processor.

Parameter 4 is set to 0.

  Vendor Summary  
  Microsoft Corporation (more info...)

Microsoft Corporation Logo



    While BSoD fatal stop errors are identified by Microsoft Windows, they are often caused by non-Microsoft applications, drivers and hardware issues.  
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