That sounds very strange. If you have never installed an 1.2 version
on the laptop it shouldn't be affected by whatever version you
install on the desktop. Remember that the syncing happens through
iCal and .Mac.
Can you send whatever output that appears on the console (/
Applications/Utilities/Console) when attempting to start GA on the
laptop? And I will investigate this further and get back to you as
soon as possible.
Best regards,
Jacob Wallström
http://ghostparksoftware.com