i have no addons. i'm not doing anything strange. i just keep randomly crashing. heres the WowError log

==============================================================================
World of WarCraft: Assertions Enabled Build (build 9733)

Exe: C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe
Time: Mar 29, 2009 3:04:13.985 PM
User: Kevin
Computer: ENTERPRISE
------------------------------------------------------------------------------

This application has encountered a critical error:


Program: C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe
Exception: 0xC0000005 (ACCESS_VIOLATION) at 0023:00000000

The instruction at "0x00000000" referenced memory at "0x00000000".
The memory could not be "written".


WoWBuild: 9733
Realm: Broxigar [12.129.236.96:3724]
Local Zone: Sindragosa's Fall, Icecrown
Local Player: Ishnahr, 0100000000800940, (7835.46,992.09,449.734)
Attacking Target: Cultist Corrupter, F530007BFA00D3D1, (7832.99,993.795,449.702)
Locked Target: Cultist Corrupter, F530007BFA00D3D1, (7832.99,993.795,449.702)
Last Enemy Target: Cultist Corrupter, F530007BFA00D3D1, (7832.99,993.795,449.702)
Total lua memory: 10509KB
Settings:
SET hwDetect "0"
SET gxMultisampleQuality "0.000000"
SET doodadAnim "0"
SET lodDist "80.000000"
SET SmallCull "0.070000"
SET DistCull "350.000000"
SET MaxLights "1"
SET farclip "177"
SET particleDensity "1"
SET movie "0"
SET readTOS "1"
SET readEULA "1"
SET realmName "Broxigar"
SET gameTip "92"
SET Gamma "1.100000"
SET MusicVolume "0.60000002384186"
SET SoundVolume "1"
SET MasterVolume "0.10000000149012"
SET weatherDensity "3"
SET AmbienceVolume "0.60000002384186"
SET statusBarText "1"
SET uiScale "1"
SET readScanning "-1"
SET readContest "-1"
SET movieSubtitle "1"
SET EnableErrorSpeech "0"
SET SoundZoneMusicNoDelay "1"
SET PetNamePlates "1"
SET realmList "beta.us.logon.worldofwarcraft.com"
SET PreferedLocale "enUS"
SET gxTripleBuffer "1"
SET scriptMemory "0"
SET M2UsePixelShaders "1"
SET mouseSpeed "0.69999998807907"
SET locale "enUS"
SET soundMaxHardwareChannels "12"
SET SoundUseHardware "0"
SET showToolsUI "1"
SET patchlist "us.version.worldofwarcraft.com"
SET pixelShaders "1"
SET gxMultisample "8"
SET coresDetected "4"
SET Sound_VoiceChatInputDriverName "System Default"
SET Sound_VoiceChatOutputDriverName "System Default"
SET Sound_OutputDriverName "System Default"
SET ChatMusicVolume "0"
SET ChatSoundVolume "0"
SET ChatAmbienceVolume "0"
SET Sound_EnableErrorSpeech "0"
SET Sound_MasterVolume "0.30000001192093"
SET Sound_SFXVolume "1"
SET Sound_MusicVolume "0.60000002384186"
SET Sound_AmbienceVolume "1"
SET OutboundChatVolume "2.5"
SET InboundChatVolume "1"
SET VoiceActivationSensitivity "0.39999997615814"
SET readTerminationWithoutNotice "-1"
SET EnableVoiceChat "1"
SET videoOptionsVersion "1"
SET groundEffectDist "70"
SET textureFilteringMode "0"
SET Sound_ZoneMusicNoDelay "1"
SET showPartyDebuffs "0"
SET groundEffectDensity "64"
SET Sound_EnableReverb "1"
SET DesktopGamma "1"
SET autoLootCorpse "1"
SET useUiScale "1"
SET shadowLOD "0"
SET installType "Retail"
SET portal "public-test"
SET Sound_EnableSoftwareHRTF "1"
SET environmentDetail "0.5"
SET ffxDeath "0"
SET Sound_EnableSoundWhenGameIsInBG "1"
SET processAffinityMask "3"
SET shadowLevel "0"
SET specular "1"
SET extShadowQuality "4"
SET Sound_NumChannels "64"
SET accounttype "LK"
SET gxRefresh "60"
SET componentTextureLevel "9"
SET projectedTextures "1"
SET lastCharacterIndex "1"
SET checkAddonVersion "0"
------------------------------------------------------------------------------

----------------------------------------
x86 Registers
----------------------------------------

EAX=22C2C618 EBX=001EFE1F ECX=00000000 EDX=00000000 ESI=001EFCF0
EDI=0FEC15BC EBP=00000000 ESP=001EFBA8 EIP=00000000 FLG=00010246
CS =0023 DS =002B ES =002B SS =002B FS =0053 GS =002B


----------------------------------------
Stack Trace (Manual)
----------------------------------------

Address Frame Logical addr Module

Showing 25/25 threads...

--- Thread ID: 3372 [Current Thread] ---
00000000 00000000 0000:00000000 C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe

--- Thread ID: 2504 ---
77390C88 017BFF20 0001:00000C88 C:\Windows\syswow64\kernel32.dll
00430C24 017BFF48 0001:0002FC24 C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe
00902A0A 017BFF80 0001:00501A0A C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe
00902AAF 017BFF94 0001:00501AAF C:\Users\Kevin\Games\World of Warcraft Public Test\WoW.exe
7797CFED 017BFFD4 0001:0006CFED C:\Windows\SysWOW64\ntdll.dll
7797D1FF 017BFFEC 0001:0006D1FF C:\Windows\SysWOW64\ntdll.dll

--- Thread ID: 4456 ---
773911D8 0A60FF64 0001:000011D8 C:\Windows\syswow64\kernel32.dll
74A83DD0 0A60FF80 0001:00012DD0 C:\Windows\system32\d3d9.dll
74A8EBCE