Yes I did but I think my models I'm using are still to big in file size.
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My system:
Win 7 ultimate 32bit
MSI-7788 MB
Intel Celeron CPU G470 @ 2.00GHz
2GB RAM
1GB NVIDEA GeForce GT 520 Graphics card.
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I'm thinking of adding another 2GB of RAM in the next month or so, maybe that will also fix my issue.

Thanks for the complement I love this software, I have even used it at work to make layouts of our different departments for stocktaking purposes in our retail outlet. So the software has most definitely come in handy.