Quote - Unfortunately the render crashed 2 times.  There didn't seem to be a memory problem(?), (my PC has 3 GByte of RAM).  I was rendering from the batch option.

I tried the same thing.  It didn't crash but rendered only 50 of my 150 frames then acted like it had finished the job.

I was monitoring the memory usage.  Before booting up C5, I was using about 400MB of my 1GB of memory.  C5 uses 12MB.  After loading the file which had 30 trees, C5 memory usage went up to 123MB.  While running a batch render, C5 steadily increased in memory usage to over 400MB!  My total system memory was reporting over 2GB of usage.

I guess I can render it out in 4 second chucks then combine them in my video editing program.

I'll post more when I can.