Save Render Result & Crash...(help)

Hi guys,i’m using blender 2.54 , i got crash screen when i’m trying to save my render result , i don’t know what’s going on , but when i’m trying to save render result from different file it works smoothly without any crash…

Here’s my screen , maybe it could helpful

And then it crash

wew,this is pretty annoying , cz i have to deliver the finished render result in this week , so i can prepare for my exams

Try normal problem solving, remove objects from the render and try again, add back more and try again to identify if any are causing the problem.
You could also try a recent build from http://www.graphicall.org/builds/