Help blender not opening (2.49a)

Ive downloaded the new version of blender (2.49a) and it will not open…it jumps in the toolbar (i have a Intel mac g5 with newest python installed) and then disperses and blender does not open?? any help?

Make sure, you’ve downloaded the correct version for your Mac.
There are good chances you’ve choosen the wrong one.

1.The Processor: either Intel or G5 PowerPC (There is no Intel G5)
2.The correct Pythonversion
3.The OSX version: Tiger-10.4 or Leopard 10.5