some help

Can some one help me bet brawl working on dolphin  (yes its the pal brawl )?

I get this message off of execptioninfo.txt .

Unhandled Exception
Code: 0xC0000005
Call stack info:
ntdll!0x77BA30DF : RtlDeleteCriticalSection

I OPEN DOLPHIN.EXE and up comes a window called Dolphin SVN R4525

on that window I see

console       /banner       /title                                          /company  /                              /size    /state

wii     /  no banner/ super smash bros brawl /N/A               /eu sign(pal)    /7.9gb/5 stars

I hillight it   and press play at the top

a window comes saying please wait

it then changes name to

SVN R4525:GL Loading C:\USERS\PUBLIC/RSBPO1_.ISO

Suddenly another window called Warning

comes up saying

Can,t create opengl renderer. You might be missing some required

opengl extensions, check the logs for more info

I click on OK

suddenly

Dolphin SVN R4525 and Warning dissapear

SVN R4525:GL Loading C:\USERS\PUBLIC/RSBPO1_.ISO

is all thats left

I click on it

dolphin.exe is has stopped working

Then

SVN R4525:GL Loading C:\USERS\PUBLIC/RSBPO1_.ISO

dissapears.

any help

Im windows vista home basic and usin dolphin_win32_r4525