Need to see DXDIAG outputs.
Here you go.  I had no white screen crashes until the last patch.
System Information
------------------
Time of this report: 8/17/2009, 08:50:12
       Machine name: JOEY
   Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 3 (2600.xpsp_sp3_gdr.090206-1234)
           Language: English (Regional Setting: English)
System Manufacturer: n/a
       System Model: Product Name
               BIOS: )Phoenix - Award WorkstationBIOS v6.00PG
          Processor: Intel(R) Pentium(R) 4 CPU 2.80GHz
             Memory: 2048MB RAM
          Page File: 789MB used, 3154MB available
        Windows Dir: C:\WINDOWS
    DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
     DxDiag Version: 5.03.2600.5512 32bit Unicode
------------
DxDiag Notes
------------
  DirectX Files Tab: No problems found.
      Display Tab 1: The file ati2dvag.dll is not digitally signed, which means that it has not been tested by Microsoft's Windows Hardware Quality Labs (WHQL).  You may be able to get a WHQL logo'd driver from the hardware manufacturer. DirectDraw test results: All tests were successful. Direct3D 7 test results: All tests were successful. Direct3D 8 test results: All tests were successful. Direct3D 9 test results: All tests were successful.
        Sound Tab 1: The file ALCXWDM.SYS is not digitally signed, which means that it has not been tested by Microsoft's Windows Hardware Quality Labs (WHQL).  You may be able to get a WHQL logo'd driver from the hardware manufacturer.
          Music Tab: No problems found.
          Input Tab: No problems found.
        Network Tab: No problems found.
--------------------
DirectX Debug Levels
--------------------
Direct3D:    0/4 (n/a)
DirectDraw:  0/4 (retail)
DirectInput: 0/5 (n/a)
DirectMusic: 0/5 (n/a)
DirectPlay:  0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow:  0/6 (retail)
---------------
Display Devices
---------------
        Card name: ATI Radeon HD 2600 Pro AGP
     Manufacturer: ATI Technologies Inc.
        Chip type: ATI display adapter AGP (0x9587)
         DAC type: Internal DAC(400MHz)
       Device Key: Enum\PCI\VEN_1002&DEV_9587&SUBSYS_00281545&REV_00
   Display Memory: 512.0 MB
     Current Mode: 1280 x 1024 (32 bit) (75Hz)
          Monitor: Plug and Play Monitor
  Monitor Max Res: 1600,1200
      Driver Name: ati2dvag.dll
   Driver Version: 6.14.0010.6719 (English)
      DDI Version: 9 (or higher)
Driver Attributes: Final Retail
 Driver Date/Size: 8/22/2007 20:06:45, 268800 bytes
      WHQL Logo'd: No
  WHQL Date Stamp: None
              VDD: n/a
         Mini VDD: ati2mtag.sys
    Mini VDD Date: 8/22/2007 20:06:46, 2417664 bytes
Device Identifier: {D7B71EE2-D6C7-11CF-CA6C-2220A1C2CB35}
        Vendor ID: 0x1002
        Device ID: 0x9587
        SubSys ID: 0x00281545
      Revision ID: 0x0000
      Revision ID: 0x0000
      Video Accel: ModeMPEG2_C ModeMPEG2_D ModeWMV8_A ModeWMV9_A 
 Deinterlace Caps: {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalSt
 retch 
                   {3C5323C1-6FB7-44F5-9081-056BF2EE449D}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {552C0DAD-CCBC-420B-83C8-74943CF9F1A6}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalSt
 retch 
         Registry: OK
     DDraw Status: Enabled
       D3D Status: Enabled
       AGP Status: Enabled
DDraw Test Result: All tests were successful.
 D3D7 Test Result: All tests were successful.
 D3D8 Test Result: All tests were successful.
 D3D9 Test Result: All tests were successful.
-------------
Sound Devices
-------------
            Description: Realtek AC97 Audio
 Default Sound Playback: Yes
 Default Voice Playback: Yes
            Hardware ID: PCI\VEN_8086&DEV_24C5&SUBSYS_90551509&REV_02
        Manufacturer ID: 1
             Product ID: 100
                   Type: WDM
            Driver Name: ALCXWDM.SYS
         Driver Version: 5.10.0000.5830 (English)
      Driver Attributes: Final Retail
            WHQL Logo'd: No
          Date and Size: 4/19/2005 11:40:52, 2317504 bytes
            Other Files: 
        Driver Provider: Realtek Semiconductor Corp.
         HW Accel Level: Full
              Cap Flags: 0xF5F
    Min/Max Sample Rate: 100, 192000
Static/Strm HW Mix Bufs: 26, 25
 Static/Strm HW 3D Bufs: 26, 25
              HW Memory: 0
       Voice Management: No
 EAX(tm) 2.0 Listen/Src: Yes, Yes
   I3DL2(tm) Listen/Src: Yes, Yes
Sensaura(tm) ZoomFX(tm): No
               Registry: OK
      Sound Test Result: Not run