Just had the problem a few times now... When rendering a large image
(3200 x 2400) with PP enabled (tested with soft_glow and focal_blur),
Megapov (Windows) crashes at the beginning of the post-process phase.
There is no problem on small images. Before it crashes, the following
message is repeated on screen :

unknow error 17
attempt to free null pointer (file: c:\pov\mypov\source\povray.c  line
1941)

The following scene causes it for example :
#version unofficial Megapov 0.5;
global_settings{post_process{focal_blur{2,2,5,1}}}
camera{  location -x*10   direction z   right     4/3*x   look_at 0}
light_source{  100*x   color 1  }
sphere { 0.0, 1 texture {pigment{color 0.5} }}

command line +w3200 +h2400 +f -d

Configuration : Megapov 0.5 on WinNT (126 Mb RAM, PIII 733 MHz)

G.

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