I can easily tri-box everything works fine except wow keeps giving me this error at any moment on any of them please help

Code:
==============================================================================
World of WarCraft (build 7799)

Exe:  C:\Program Files\World of Warcraft\Wow.exe
Time: Feb  9, 2008  1:48:03.937 PM
User: CHRISTOPHER
Computer: CHRISTOP-0A418A
------------------------------------------------------------------------------

This application has encountered a critical error:

Insufficient system resources exist to complete the requested service.

Program:C:\Program Files\World of Warcraft\Wow.exe
File:Data\common.MPQ




WoWBuild: 7799
------------------------------------------------------------------------------

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

Address  FrameLogical addr  Module

Showing 13/13 threads...




======================================================================
Hardware/Driver Information:
Processor:          0x0
Page Size:          4096
Min App Address:    0x10000
Max App Address:    0x7ffeffff
Processor Mask:     0x3
Number of Processors:   2
Processor Type:     586
Allocation Granularity: 65536
Processor Level:    15
Processor Revision: 17155

Percent memory used:75
Total physical memory:  2145824768
Free Memory:        517234688
Page file:          4130312192
Total virtual memory:   2147352576
EDIT: On the startup of wow, one of three told me it won't run untill I updated my video card drivers (Which I did yesterday) or install Direct X 9.x which I ma no.
EDIT 2: Didn't work
"
Insufficient system resources exist to complete the requested service." has to mean something...