According to this Apple technote you may find the Finder continuously restarts if you’ve got an external Firewire drive connected under 10.5.2 and you have a blank computer name or one that contains non-alphanumeric characters.
MacGeekery at its finest!
According to this Apple technote you may find the Finder continuously restarts if you’ve got an external Firewire drive connected under 10.5.2 and you have a blank computer name or one that contains non-alphanumeric characters.