Computer crashes when i games

[BLACKJACK]

The problem i have is that my comptuer crashes when i play some of my games.I have all the latest drivers for my video card and sound card and i also have the latest direct x 9.Here is my
System Information
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Time of this report: 4/20/2006, 19:09:35
Machine name: JOHN
Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Language: English (Regional Setting: English)
System Manufacturer: Tiny Computers
System Model: MS-6741
BIOS: Version 07.00T
Processor: AMD Athlon(tm) 64 Processor 3400+, MMX, 3DNow, ~2.2GHz
Memory: 1024MB RAM
Page File: 376MB used, 2084MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: None
DxDiag Version: 5.03.2600.2180 32bit Unicode

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DxDiag Notes
------------
DirectX Files Tab: No problems found.
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Music Tab: No problems found.
Input Tab: No problems found.
Network Tab: No problems found.

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Display Devices
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Card name: RADEON 9800 XT
Manufacturer: ATI Technologies Inc.
Chip type: RADEON 9800 XT AGP (0x4E4A)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_4E4A&SUBSYS_00021002&REV_00
Display Memory: 256.0 MB
Current Mode: 1024 x 768 (32 bit) (60Hz)
Monitor: Plug and Play Monitor
Monitor Max Res: 1600,1200
Driver Name: ati2dvag.dll
Driver Version: 6.14.0010.6599 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 1/25/2006 03:52:48, 255488 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: n/a
VDD: n/a
Mini VDD: ati2mtag.sys
Mini VDD Date: 1/25/2006 03:52:32, 1478656 bytes
Device Identifier: {D7B71EE2-0D0A-11CF-756A-0820A1C2CB35}
Vendor ID: 0x1002
Device ID: 0x4E4A
SubSys ID: 0x00021002
Revision ID: 0x0000
Revision ID: 0x0000
Video Accel: ModeMPEG2_C ModeMPEG2_D ModeWMV8_B ModeWMV8_A ModeWMV9_B 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_BOBVerticalStretch
{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_BOBVerticalStretch
Registry: OK
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
DDraw Test Result: Not run
D3D7 Test Result: Not run
D3D8 Test Result: Not run
D3D9 Test Result: Not run

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Sound Devices
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Description: Realtek AC97 Audio
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: PCI\VEN_1106&DEV_3059&SUBSYS_74101462&REV_60
Manufacturer ID: 65535
Product ID: 65535
Type: WDM
Driver Name: ALCXWDM.SYS
Driver Version: 5.10.0000.5320 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 8/21/2003 09:31:52, 462940 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: 33, 32
Static/Strm HW 3D Bufs: 33, 32
HW Memory: 0
Voice Management: Yes
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

Description: Modem #0 Line Playback (emulated)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID:
Manufacturer ID: 1
Product ID: 81
Type: Emulated
Driver Name:
Driver Version:
Driver Attributes:
WHQL Logo'd:
Date and Size:
Other Files:
Driver Provider:
HW Accel Level: Basic
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
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: Not run

---------------------
Sound Capture Devices
---------------------
Description: Realtek AC97 Audio
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name: ALCXWDM.SYS
Driver Version: 5.10.0000.5320 (English)
Driver Attributes: Final Retail
Date and Size: 8/21/2003 09:31:52, 462940 bytes
Cap Flags: 0x41
Format Flags: 0xFFF

Description: Modem #0 Line Record (emulated)
Default Sound Capture: No
Default Voice Capture: No
Driver Name:
Driver Version:
Driver Attributes:
Date and Size:
Cap Flags: 0x20
Format Flags: 0x0

WDM Streaming System Devices:
Realtek AC97 Audio,0x00200000,18,2,,5.03.2600.2180