I just built a new computer out of an older server tower and installed Windows 8.1.   The computer is set up to run long multi day physics simulations and has been crashing when going into sleep mode with a DRIVER_POWER_STATE_FAILER error.  I've run BluScreenViewer to look at minidump files and found that the drivers atapi.sys and ntoskrnl.exe are at fault.  I am not sure how to proceed in fixing this problem.  A summary of the BSOD printouts are given below:

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Dump File         : 060315-21203-01.dmp
Crash Time        : 6/3/2015 2:40:17 AM
Bug Check String  : DRIVER_POWER_STATE_FAILURE
Bug Check Code    : 0x0000009f
Parameter 1       : 00000000`00000003
Parameter 2       : ffffe001`40e49060
Parameter 3       : fffff801`c9249aa0
Parameter 4       : ffffe400`13d47370
Caused By Driver  : atapi.sys
Caused By Address : atapi.sys+2d54
File Description  : ATAPI IDE Miniport Driver
Product Name      : Microsoft Windows Operating System
Company           : Microsoft Corporation
File Version      : 6.3.9600.16384 (winblue_rtm.130821-1623)
Processor         : x64
Crash Address     : ntoskrnl.exe+150ca0
Stack Address 1   : 
Stack Address 2   : 
Stack Address 3   : 
Computer Name     : 
Full Path         : C:\Windows\Minidump\060315-21203-01.dmp
Processors Count  : 16
Major Version     : 15
Minor Version     : 9600
Dump File Size    : 1,525,048
Dump File Time    : 6/3/2015 2:43:06 AM
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Dump File         : 060215-20421-01.dmp
Crash Time        : 6/2/2015 3:38:33 AM
Bug Check String  : 
Bug Check Code    : 0x00000124
Parameter 1       : 00000000`00000000
Parameter 2       : ffffe001`43f7d038
Parameter 3       : 00000000`00000000
Parameter 4       : 00000000`00000000
Caused By Driver  : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+5b5d2d
File Description  : NT Kernel & System
Product Name      : Microsoft Windows Operating System
Company           : Microsoft Corporation
File Version      : 6.3.9600.17736 (winblue_r9.150322-1500)
Processor         : x64
Crash Address     : ntoskrnl.exe+5b5d2d
Stack Address 1   : 
Stack Address 2   : 
Stack Address 3   : 
Computer Name     : 
Full Path         : C:\Windows\Minidump\060215-20421-01.dmp
Processors Count  : 16
Major Version     : 15
Minor Version     : 9600
Dump File Size    : 262,144
Dump File Time    : 6/2/2015 3:38:39 AM
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Also here is a link to the full minidump files: http://ge.tt/9kTDbjH2/v/0?c

Both of the DMPS in your link are from Feb 2015 so no longer relevant.  Where are the ones from your last post?

Very sorry,  here are the recent ones: http://ge.tt/5eAscjH2/v/0?c

Those kicked off my malware app

Hi,

According to the dump file, it seems like caused by atapi.sys (Windows IDE/ATAPI Port driver). 

While another dump indicate it's caused by AuthenticAMD which from AMD CPU.