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Exception Solutions
     
 

Alignment error exception

Fatal exception 0xC00002C5

 
  Description  
 
       
fatal  
 

A data type misalignment error was detected in a load or store instruction.

For example, when loading a group of words, the data pointer starts at an odd-address (in the middle of a word).

 
 
 
   
  Key Facts  
     
 
         
Raw Title
  STATUS_DATATYPE_MISALIGNMENT_ERROR

 
OS
  Windows

occurance meter
 
Type
  Fatal 

   
Vendor
  Microsoft Corporation*

* Reporting vendor, unclear who is responsible for the issue.
   
 
   
  Solutions and Fixes  
     
 
  Date votes Ratings
Check Memory
6
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You may have a defective memory. This is even more likely if it only occurs when the system is cold or hot, but not all the time. Use a memory tester to confirm if it is defective or if you have spare memory, try replacement.

Windows 7 and Vista include a Memory Test program when booting from the Windows Installation DVD. Step-by-step instructions with screen shots are available at Using System Restore on 7/Vista/2008 as part of System Recovery.

Several software products that also provide memory and video diagnostics includes Fix-It Utilities Professional and SystemSuite Professional. Other diagnostic products include Eurosoft's PC Check and Iolo's System Mechanic.

Additional Memory Solutions:

  • Confirm all the memory is of the same type and speed. Many motherboards only work correctly when the memory is installed with matched sets and matched speeds.
  • If you added or changed your memory just before this problem occurred, try reverting to the prior memory configuration to confirm it's the source of the problem.
  • Check that the memory is fully seated in the sockets. Memory sockets often have side latches that need to be upright to indicate the memory is correctly locked in place.
  • Confirm the memory resides in the correct slots on the motherboard. You'll need to refer to the motherboard manual to confirm this. There is little consistency, even within a single vendor. Some systems require that memory is installed as matched pairs, but not always adjacent to each other!
  • It's also possible the memory problem is on the video card, as they often contain additional memory. The video card should be tested and/or try a different video card to see if the problem goes away.
 
   
 
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  FaultWire Staff
Posted: 5-Oct-2008
 
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Update or Replace Defective Software
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Install a newer version of the program if available that corrects the issue or use an alternative software product.

 
   
 
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  FaultWire Staff
Posted: 8-Jan-2009
 
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Reported Exceptions

You may find more information for this issue in our specific exception reports.

View exception reports for 0xC00002C5.
 
   
  Vendor Summary  
     
 
Vendor
  Microsoft Corporation (more info...)

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Phone
1-425-882-8080
1-800-642-7676

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  Notes  
     
  Although less informative than our notes here, you can view the Microsoft MSDN source document for a list of the NTSTATUS codes used when Microsoft encounter a problem with an application.  
     
  While we believe this information up to date and accurate, FAQware is not responsible for any inaccuracies. If you find something that is out of date or inaccurate, please let us know at so we can correct it.