I just noticed there is no bug reporting forum. Feel free to move this to an appropriate section.
In Blender 2.34, 2.44, 2.45.
2.)Select the Sequence Layout.
3.) Add the Scene to the sequencer.
4.) Change the length of the animation from the default of 250 to something higher, like 600 frames.
5.) Select the scene in the Sequencer and press the letter C.
6.) Choose the “Update Start and End” from the popup menu and Blender crashes!:eek:
NOTE: This did not happen in version 2.42. I discovered this by doing the titling tutorial on blendernewbies.com. That tutorial was done in blender 2.42.