GMax keeps crashing

Now what???
"The application has run out of memory and will now close"
I have 4 Gig of RAM in this confuser. How could it possibly run out of memory? There is more here than XP will even recognize. This machine has run perfectly for the last year. Now all of a sudden, Gmax keeps crashing. All the other programs are fine. So I tried un-installing Gmax and re-loading it. That didn
"The application has run out of memory and will now close"
I have 4 Gig of RAM in this confuser. How could it possibly run out of memory? There is more here than XP will even recognize. This machine has run perfectly for the last year. Now all of a sudden, Gmax keeps crashing. All the other programs are fine. So I tried un-installing Gmax and re-loading it. That didn