Robin thanks…
Here is the solution which ended up being in a PM. I am posting here to complete this thread.
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When you run the install script, it will write to the config based on the info you put into the install script. When you move, you’ll generally move your config.php and edit it to match the new site. Same thing with your path.php file- you’ll want to be sure yours isn’t empty- and roughly matches this example from the wiki:
http://expressionengine.com/wiki/Path/
The only thing you need to do to change that path.php file is make sure that:
$system_path = “./system/”;
Is correct- it should point to your (probably) renamed system folder.
All that make sense?
-Robin