BSOD while loading Mixcraft :: APC_INDEX_MISMATCH ntoskrnl.exe+75c40

We cannot do anything with the information you supplied. Post it following the Blue Screen of Death (BSOD) Posting Instructions.

For one, you have some very old drivers. Update all drivers you see via Windows Update. I am taking a look at the dumps now.
BrFiltLo Brother USB Mass-Stora Kernel 8/6/2006 9:51:06 PM
BrFiltUp Brother USB Mass-Stora Kernel 8/6/2006 9:51:02 PM
Brserid Brother MFC Serial Por Kernel 8/6/2006 9:51:11 PM
BrSerWdm Brother WDM Serial dri Kernel 8/6/2006 9:51:05 PM
BrUsbMdm Brother MFC USB Fax On Kernel 8/6/2006 9:51:00 PM
BrUsbSer Brother MFC USB Serial Kernel 8/9/2006 8:11:02 AM

Those are just some. Update all drivers in your system via Windows Update/ manufacture website.

Looks like its been overclocked at some point but not during these dumps

Code:

[Processor Information (Type 4) - Length 42 - Handle 000fh]
  Socket Designation            CPUSocket
  Processor Type                Central Processor
  Processor Family              c6h - Specification Reserved
  Processor Manufacturer        Intel(R) Corporation
  Processor ID                  a9060300fffbebbf
  Processor Version             Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
  Processor Voltage             b8h - 5.6V
  External Clock                100MHz
  Max Speed                     3800MHz
  Current Speed                 3500MHz
  Status                        Enabled Populated
  Processor Upgrade             Specification Reserved
  L1 Cache Handle               000ch
  L2 Cache Handle               000bh
  L3 Cache Handle               000dh

Your driver verified dumps are blaming NTWinCDEmu.sys as the cause, this is drive emulation software for (probably) mounting .iso files try removing it for testing purposes

These drivers are very old look into updating them
bbcap.sys 02/11/2007 07:30:12
FNETURPX.SYS 04/10/2008 02:27:02
akshasp.sys 02/02/2009 15:47:42

It is crashed by M Audio Fast Track.

Code:

*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck C9, {23b, fffff880057761e8, fffff98009e2ab80, 0}

*** WARNING: Unable to verify timestamp for MAudioFastTrackC400_DFU.sys
*** ERROR: Module load completed but symbols could not be loaded for MAudioFastTrackC400_DFU.sys
Probably caused by : MAudioFastTrackC400_DFU.sys ( MAudioFastTrackC400_DFU+11e8 )

Followup: MachineOwner
---------

And the driver is very old.

Code:

fffff880`05775000 fffff880`0577f000   MAudioFastTrackC400_DFU T (no symbols)           
    Loaded symbol image file: MAudioFastTrackC400_DFU.sys
    Image path: \SystemRoot\system32\DRIVERS\MAudioFastTrackC400_DFU.sys
    Image name: MAudioFastTrackC400_DFU.sys
    Timestamp:        Fri Jan 15 20:08:38 2010 (4B507DEE)
    CheckSum:         00016153
    ImageSize:        0000A000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

Update it from M-AUDIO - Drivers and Software Search.

Uninstall the following bloatware:

Code:

Start Menu\Programs\ASRock Utility 
Start Menu\Programs\ASRock Utility\AsrAppCharger 
Start Menu\Programs\ASRock Utility\ASRock eXtreme Tuner
Start Menu\Programs\ASRock Utility\InstantBoot 
Start Menu\Programs\ASRock Utility\SmartConnect

Let us know the results. Something more might be there that I am failing to get right now I think So waiting eagerly to see how it goes.

Good to know :)