unable to get mapserver demo (workshop) working - application error

[Craig Feuerherdt]

I have installed mapserver 4.4.1 under apache 2.0.54
I downloaded the workshop demo and edited the index.html file as required. 
I go to the initialization page (http://localhost/workshop) which works fine. When I click on the initalize button an error is 
return 

mapserv.exe - Application Error
The instruction at "0x77f88216" referenced memory at "0x00000010". The 
memory could not be "written".

Can someone please tell me why the application error is being returned.
Thanks in advance.

Craig Feuerherdt

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