Hi OOZ,
as it comes i have the same soundcard so i checked out my directxdiag, am not having any crash problems with vox.
- I have a newer soundcard driver. it is from creative, but not whql certified. maybe worth a try to get that one instead of the one your using
- noticed your graphic cards driver is not the newest. while it probably has nothing to do with it you cant completly rule that out. but i dont think its a point.
-try to put the sound hardware acceleration to 0, if that helps up it again and see where the troubly starts
-might be a hyperthreading problem disabling it or installing a bios that has hyperthreading issues fixed might help, i personally never want to flash bios so be carefull here
hope i could bring you some ideas here, please tell us if any of this helped or you found a solution.
cu schutt
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Sound Devices
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            Description: SB Audigy 2 ZS Audio [A000]
 Default Sound Playback: Yes
 Default Voice Playback: Yes
            Hardware ID: PCI\VEN_1102&DEV_0004&SUBSYS_20021102&REV_04
        Manufacturer ID: 1
             Product ID: 100
                   Type: WDM
            Driver Name: ctaud2k.sys
         Driver Version: 5.12.0001.0444 (English)
      Driver Attributes: Final Retail
            WHQL Logo'd: No
          Date and Size: 6/23/2004 17:36:20, 371376 bytes
            Other Files: 
        Driver Provider: Creative
         HW Accel Level: Standard
              Cap Flags: 0xF5F
    Min/Max Sample Rate: 4000, 192000
Static/Strm HW Mix Bufs: 64, 62
 Static/Strm HW 3D Bufs: 64, 62
              HW Memory: 0
       Voice Management: No
 EAX(tm) 2.0 Listen/Src: No, No
   I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
               Registry: OK
      Sound Test Result: All tests were successful.