How to reverse migrate to Tiger (till fleas out of Leopard)??

I have beta tested software before. I switched to mac 1999 because wanted my os to just work. Till Leopard does what best way to migrate backwards? I need my computer to work.

Note** An additional problem occurring with my installation of Leopard was this "No Finder" issue.
(Topic/Problem origionally posted by Michael Jasper.)
"My finder does not work. I have to open an application (i.e. Safari) just to be able to click on the apple in the upper left corner. When I open Force Quit Applications I see that my finder is not responding."
(Solution to above problem by EricShapiros.)
"The first step is to get Terminal.app to run. I was lucky that it was in my dock already. If not, you can probably ssh in from another Mac. You should be able to turn on remote login in System Preferences even without a Finder, I think.
Then type:
sudo mv "/Library/Application Support/DivXNetworks" "/Library/Application Support/DivXNetworks.prev"
Then click on the Finder in the dock and relaunch it. Or just reboot.
An alternate method would be to boot the Mac in target disk mode (hold down the "T" during boot) and plug it into another Mac via Firewire. Then just rename or remove the DivXNetworks folder.
Or boot from the 10.5 DVD and run Terminal.app from the menu. I guess that might be the easiest method since it doesn't require a second Mac, but you'll have to look in /Volumes for your boot volume name.
Good luck. "
This resolved ALL problems occurring with my Leopard install.
Thanks Eric
Ray

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